->"Choose your weapon: Clanker or Beastie"

[[quoteright:320:http://static.tvtropes.org/pmwiki/pub/images/LeviathanGrandMapBIG.jpg]]
[[caption-width-right:320:[[AlternateHistory Put down your history books...]]]]

''Leviathan'' is the first book in a series by ScottWesterfeld that takes place in an alternate version of WorldWarI Europe. Some of the differences are that Archduke Franz Ferdinand and his wife are assassinated in the evening, as opposed to the afternoon, they have only one son... Oh, and Germans and Austrians use [[SteamPunk Giant Walkers]] to fight the British and French [[LegoGenetics Fabricated Animals]]. Obviously, he took liberties with [[AlternateHistory history]].

In this version of history, when CharlesDarwin came up with the theory of evolution, he also discovered the 'chains of life', or DNA - and, more importantly, how to manipulate them and construct new creatures. Fast forward 50 years, and you find London crawling with fabricated elephants and giant oxen instead of cars, and gecko/parrot hybrids are used to send messages.

The book follows two characters - the Archduke's son, Prince Aleksandar, who is whisked off on the night of his parents' assassination to a secret hideaway in the Alps before his enemies can assassinate him. The second character is a girl, Deryn Sharp, who poses as a boy in order to join the British Air Service and eventually finds herself aboard the ''Leviathan'', a massive [[FlyingSeafoodSpecial Flying Whale]] [[ZeppelinsFromAnotherWorld Airship]] that is bound for the Ottoman Empire with one Dr. Nora Barlow, a Boffin[[note]]a scientist, in this case somebody who makes Fabricated Animals[[/note]] and her very secretive cargo. As a war between the fabricated Animal using "Darwinists" ([[SocialDarwinist not like that]]) and [[HumongousMecha Walker-using]] "Clankers" looms, Alek soon finds himself aboard the ''Leviathan'' as his enemies close in.

A second book, ''Behemoth'', was released October 5, 2010. The last book in the trilogy, ''Goliath'', was released on September 20th, 2011. Westerfeld also wrote a bonus "fanfiction" chapter [[http://scottwesterfeld.com/blog/2011/12/bonus-goliath-chapter-and-art/ on his blog]] and commissioned a new piece of art for Christmas 2011.

Not to be confused with ''Leviathan'', the third novel in the ''Literature/{{Illuminatus}}'' trilogy, nor the magnum opus of [[HobbesWasRight Thomas Hobbes]].
----
!!Provides examples of:

* [[AcePilot Ace Stormwalker Pilot]]: Master Otto Klopp, who is, according to Alek, "the best master of mechaniks in Austria". And Alek's quite the pilot, too - he's mastered night-walking.
* ActionGirl: Deryn and Lilit.
* [[AlmightyJanitor Almighty Bell Captain]]: Adela Rogers' view of Deryn.
* AlternateHistory: Armored vehicles pre-1916, the Archduke having only one child, the Archduke being assassinated at night, Darwin discovering genetics and DNA, etc.
** The ending of the series distances it even further from our timeline: [[spoiler:the War ends on fairly amiable and equal terms instead of a Treaty of Versailles analogue (although the US still ends up joining the Darwinists). The Russian Revolution never happens, Austria-Hungary seems to have all but usurped Germany as head of the Clanker nations, Britannia still rules the waves and the odds of an parallel WorldWar2 happening are pretty slim. Although the Ottomans are mentioned as having undergone a revolt and there remains concern with the Japanese.]]
* AmbiguousSituation: The nature of Tesla's Goliath device, which the entire plot of the third book revolves around, is never revealed. [[spoiler: It is implied to be an extremely powerful magnetic device weaponizing [[ColonyDrop comets and meteors]], but the characters refuse to cede that much credit to Tesla.]] Likewise, [[spoiler: most characters instead believe Tesla was insane and his Goliath device completely bunk. The fact of the matter is that TheTunguskaEvent happened right after Tesla tested the device and that the sky over England changed colors when he tested it again later. No hard evidence is put forth regarding whether those were atmospheric coincidences that Tesla shamelessly took credit for in his madness, or legitimate results of his experimentation. Because Tesla was killed and his device destroyed,]] those answers are forever lost InUniverse.
* AprilFoolsDay: On April 1st, [[http://scottwesterfeld.com/blog/2011/04/goliath-reveal-2/ Scott Westerfeld "revealed" a piece of art from ''Goliath'']] featuring [[LesYay Lilit and Deryn]] getting married, with Alek crashing through the wall on a giant mech. The art was part of a gag with the book's illustrator.
* ArtisticLicensePhysics: This is a given, but the series is curiously ''un''-evenhanded about it. For some reason, whether you prefer steampunk (villainous) or biopunk (heroic) tends to arbitrarily determine how far along the morality scale you are. The machines used by the villainous Central Powers hew close to real-world physics and hydraulics, and are unwieldy and inefficient because of it. However, the Allies are able to use super-obedient, super-genetically enhanced monstrosities, who move with a grace and cleanliness and are presented without irony as superior to mechanics in every way.
** The biggest discrepancy is that living creatures should be ridiculously fuel-inefficient, far more so than diesel powered engines. Nevertheless, the Allies' biggest advantage is the quantity and diversity of fabricated creatures they can draw on, while the Central Powers' wear-and-tear and reliance on fuel is repeatedly pointed out and exploited.
** The upkeep required of large numbers of military-standard living animals would also be a logistical nightmare, but the fabricated creatures just keep recycling their own waste, keeping themselves clean, and remaining in their designated habitats even during crisis conditions. If applying the same level of realism that is displayed by the Clanker powers, the streets of Darwinist countries should be paved with feces.
** Charles Darwin is also relegated to a sort of scientific Ubermensch, developing not only evolutionary theory, but also discovering DNA and genetic extraction, manipulation, and insertion, all under primitive microscopes[[note]]For reference, altering gene codes requires several lengthy steps that need to occur in incubators and relatively little of the work can be done under a microscope.[[/note]].
* AttractiveBentGender: Judging from the illustrations, Deryn makes a damn fine guy ''and'' girl.
** [[HoYay Alek]] [[SweetOnPollyOliver and]] [[LesYay Lilit]] vouch for this as well.
* BadassBookworm: UsefulNotes/NikolaTesla. ''How'' BadAss? He takes on three ''[[BearsAreBadNews fighting bears]], at the same time, with an [[ShockAndAwe electrified walking stick]] [[MadScience he invented himself]], and '''wins'''.''
* BearsAreBadNews:
** It's mentioned that Russia uses genetically-engineered bears. Russia is also drawn as a giant, rotting bear on the inside cover maps.
** As of ''Goliath'', we have seen the bears; not only are they ''huge'', it also turns out [[spoiler: everything's ''[[UpToEleven even worse]]'' with ''starving'' bears.]]
* BetaCouple: [[spoiler: Dr. Barlow and Volger, it seems]].
* BiTheWay: [[WordofGod Lilit]] [[LesYay likes girls]] [[MathematiciansAnswer at least.]]
* [[spoiler: TheBigDamnKiss: Alek and Deryn atop the ''Leviathan''.]]
** [[spoiler: With a followup in the bonus chapter, close up this time.]]
* BilingualBackfire: Played with. Dr. Barlow pretends not to speak German in the hopes of tricking Alek and Volger into thinking it is safe for them to discuss their secrets in German in her presence.
* BioPunk: Darwinists.
* BodyHorror: Great googly moogly! The story itself isn't quite so much in this category, the descriptions are not by any means disgusting. However, [[{{Squick}} the books have pictures.]]
** Special mention goes to Deryn's compress after she busts up her knee. It is some kind of fabricated beast that extends its tentacles into her knee to fix torn ligaments. And if she tries to put weight on her leg it sounds and feels like she has a swarm of angry wasps in her knee. One of the few places where the description in the text is worse than the pictures.
* BondingOverMissingParents: Sharing the pain of having dead parent(s) is one of the things that help Alek and Dylan/Deryn grow closer.
* CaneFu: Tesla's WeaponOfChoice.
* CannotSpitItOut: Every time Deryn comes close to admitting to Alek that she's a girl, either she cannot go on for fear that telling him the truth will upend their friendship [[spoiler:(it does for a while after he finds out)]], or something conveniently ends the conversation. This behaviour is [[LampshadeHanging lampshaded]] by Alek himself.
* CannotTellALie: Alek, up till the third book.
* CatchPhrase: "Barking spiders!" might as well be one for Deryn, considering how much she says it. And Bovril has "''Mr.'' Sharp!", usually followed by giggles.
** "...a barking ''prince''," is used quite a bit.
** ''[[GratuitousGerman Dummkopf]]''! (At least in ''Behemoth''.)
* CaughtInTheRain: ''Goliath'' takes this to extremes when Alek and Deryn are stuck in a flood on top of the ship.
* CelibateHero: Alek started out as this because of his title.
* ChekhovsGun: [[spoiler: Tesla's electric walking stick.]]
* {{Cloudcuckoolander}}: UsefulNotes/NikolaTesla.
* ConcussionsGetYouHigh: Alek was a bit boggled after slipping and hitting his head on the topside of the ''Leviathan''.
* CovertGroupWithMundaneFront: The London Zoological Society. [[spoiler:In ''Goliath'', Dr. Barlow says that it's involved in a good deal of espionage and offers Deryn a job.]]
* CulturedBadass: Alek. The "cultured" portion doesn't really come in handy much on the airship, much to his [[EmoTeen dismay]].
* DashinglyDapperDerby: The boffins all wear bowler hats.
* DeliberateValuesDissonance: Alek is rather sexist, much to Dylan/Deryn's chagrin.
** After meeting [[ActionGirl Lilit]], however, [[CharacterDevelopment he's started to improve]].
** Subverted by Zaven, who is extremely enthusiastic about equal rights for women, but played straight in that most people think he's a {{Cloudcuckoolander}} because of it.
* EldritchAbomination: Most Clankers see fabs as "godless abominations". The Behemoth counts as well.
* EmoTeen: Volger {{lampshades}} Alek's sulking.
* EstablishingCharacterMoment: When we first meet Tesla, he reveals that he killed his own airship and fed it to [[BearsAreBadNews feral Russian fighting bears]] so that he could stay in Siberia to [[MadScientist continue his research]].
* EveryoneCanSeeIt: Almost everyone who knows about Deryn's true gender questions her relation to Alek.
* EverythingsBetterWithDinosaurs: According to Alek, some of the fabs Darwinists use in battle contain the DNA of long-dead reptiles.
* [[EvilUncle Evil Grand Uncle]]: Emperor Franz Joseph ''did not'' approve of Archduke Franz Ferdinand falling in love with Sophie Chotek, which is why they had to get a morganatic/left-handed marriage...which is why Alek isn't his father's heir.
* FallingIntoTheCockpit: Apparently Alek's mother would ''not'' have approved of him learning to pilot the [[HumongousMecha Stormwalker]] unless it was such an emergency.
* FascinatingEyebrow: Volger and Deryn know how it's done.
* FateDrivesUsTogether
-->'''Deryn:''' We're meant to be together.
* FlechetteStorm: The Darwinists have beasties designed to take down aircraft this way. They even call them flechette bats.
-->'''Alek:''' Flechette? Like 'dart' in French?
-->'''Deryn:''' That sounds right. The bats gobble up these metal spikes, then release them over the enemy.
-->'''Alek:''' They eat spikes. And then...''release'' them?
-->'''Deryn:''' *stifles laugh* Aye, in the usual way.
* FleshVersusSteel: To a T.
* FlyingSeafoodSpecial: The ''Leviathan''.
* FollowTheLeader: In-universe, ''The Perils of Pauline'' inspire a number of movies that sound rather similar.
-->'''Alek:''' [[LastSecondWordSwap How]]...[[AddedAlliterativeAppeal alliterative.]]
** [[AluminumChristmasTrees The same thing occurred in real life.]]
* ForeignCussWord: Alek often breaks off during conversations in English to swear in German.
-->'''Alek:''' ''Dummkopf!''
* FutureSlang: Future-past {{Steampunk}}, occasionally period-accurate slang. Blisters!
* GettingCrapPastTheRadar: Immediately after Deryn worries that Alek may have learned that she's a girl during fencing lessons, Alek instructs her to turn her chest to the side, so as to provide the "smallest possible target." [[CrowningMomentOfFunny Deryn then muses that her secret is safe]].
** [[spoiler: "He leaned forward to kiss her. His lips were soft against hers, but they kindled something sharp and hard inside her, something that had waited impatiently all the months since this boy had come aboard."]] Reverse the genders in this sentence.
** See also the FutureSlang. "Clart-covered bum-rag" indeed.
* GiantRobotHandsSaveLives: It's actually how Alek meets the [[LaResistance Committee for]] [[HistoricalDomainCharacter Union and Progress]] - Zaven saves him from a long fall from a rooftop gutter. [[JustifiedTrope Justified]] because Zaven caught him before he'd fallen too far.
* GilliganCut: Alek ends one chapter saying he'll be fine carrying Ms. Barlow as long as she doesn't bring her pet along. Next chapter:
-->Tazza seemed to enjoy riding in the Stormwalker.
* GreenEyedEpiphany: PlayedWith. [[spoiler: Alek actually realizes that Deryn is in love with him through Deryn's own jealousy over Lilit]].
* GreyAndGreyMorality
* GrowOldWithMe: [[spoiler: Alek momentarily wants Deryn to live with him in New York away from the troubles of the war.]]
* HarmonyVersusDiscipline: Played completely straight in the series. The Darwinists represent Harmony, harnessing nature for war and having a generally more organic aesthetic about them. The Clankers on the other hand represent Discipline, manufacturing whatever they use, with an aesthetic characterised by angularity and general disregard for nature.
** In fact, the two main characters themselves embody this conflict very neatly. Deryn is very obviously set up as the harmonious one, defying Victorian social conventions (a very Discipline-esque system) by disguising herself as a boy and entering the British Air Service. As a person, she shows little inhibition and respect. Alek, who was raised surrounded by rules, obligations and restrictions, is almost exaggeratedly disciplined: controlled, virtuous and very formal, but unable to adapt and with a certain belief that everything must be planned and predictable.
* HeroicSacrifice: [[spoiler:Zaven, who electrocutes himself in his mech to bring down the Tesla cannon, thus saving Deryn, Alek, and everyone aboard the ''Leviathan'']].
** Before the book, Deryn's Da, who [[spoiler: pushes her out of a flaming balloon to save her, at the cost of his own life.]]
** To save [[spoiler:Deryn's SweetPollyOliver identity, Alek reveals himself as the [[KingIncognito heir to the throne of Austria-Hungary]]]].
* HistoricalDomainCharacter: Westerfield makes liberal use of this. There's [[http://en.wikipedia.org/wiki/Franz_Joseph_I_of_Austria Emperor Franz Joseph]], [[http://en.wikipedia.org/wiki/Archduke_Franz_Ferdinand_of_Austria Archduke Franz Ferdinand]] and his wife [[http://en.wikipedia.org/wiki/Sophie,_Duchess_of_Hohenberg Sophie]], CharlesDarwin, WinstonChurchill, and ThePope ([[http://en.wikipedia.org/wiki/Pope_Pius_X Pius X]]... unless it's [[AlternateHistory someone different]]). For those who appear in person, Darwin's granddaughter [[http://en.wikipedia.org/wiki/Nora_Barlow Nora Barlow]] is a major character. ''Behemoth'' introduces [[http://en.wikipedia.org/wiki/Wilhelm_Souchon Wilhelm Souchon]], a certain Serbian scientist called [[UsefulNotes/NikolaTesla Tesla]], [[http://en.wikipedia.org/wiki/Pancho_Villa Pancho Villa]], and William Randolph Hearst.
* HistoricalVillainUpgrade: The ''Orient Express''. Not only is it actually used [[spoiler: to ship parts for their Tesla cannon]], but it was built with Clanker technology, and so it has ''giant robot arms''.
* HoldingHands: Deryn grabs Alek's hands at the end of ''Goliath'' [[spoiler: before he kisses her]].
* HorseOfADifferentColor: The Darwinist beasties.
* HotScientist: Dr. Barlow.
* IfYouEverDoAnythingToHurtHer: Spoilers for Goliath ahead: [[spoiler:After Alek finds out about Deryn's identity, and that Volger has been blackmailing her, Volger suggests that the blackmail continue. Alek doesn't take this well.]]
----> [[spoiler:'''Alek:''' If you threaten Deryn Sharp again, Volger - in any way at all - I'm done with you.]]
* ImprovisedZipline: Deryn is up in a scouting balloon and sees Alek's "family" coming to the shipwreck looking for him in their Stormwalker. The message lizard won't get down the cable in time, so she slings a leather strap over the tether and zips down to camp.
** It is noted that the odds of one surviving this sort of escape are against you.
* InsistentTerminology: It's not an iceberg, it's a ''glacier'', Newkirk. Also, [[PunctuatedPounding Is-tan-bul]] ([[TheyMightBeGiants not Constantinople]]).
* InstantSedation: The fighting bear experiences the tranquilliser dart's effects seconds after it is hit, highly improbable since the bears are described to be as large as houses.
* InterClassRomance: Alek (rich) and Deryn (poor).
* ItCanThink: Though never explicitly revealed, by the end of ''Goliath'' it's implied that [[spoiler: the perspicacious lorises are capable of thinking and learning, and are in fact just as intelligent as humans]].
* ItsAllJunk: At the end of ''Goliath'', [[spoiler: Alek flings his papal letter from the ''Leviathan'' into New York Harbor, [[CrowningMomentOfHeartwarming choosing Deryn over Austria-Hungary.]]]]
* JackieRobinsonStory: A mild case, [[SweetPollyOliver all things considered]], but Deryn.
* KidnappedByAnAlly: Volger and Klopp tell Alek his fathers wants him to practice fleeing his home at night with the Stormwalker.
* [[KingIncognito Emperor Incognito:]] Alek, the heir to the throne of Austria-Hungary. Although he's the result of a morganatic[[note]]unequal in social rank[[/note]] marraige, Franz Ferdinand went to the Vatican and got a papal dispensation to make Alek heir, although it would only apply after the Emperor's death.
* KrakenAndLeviathan: The eponymous ''Leviathan'' is not so much, but krakens, complete with CombatTentacles, are part of the Darwinists' arsenal.
** [[spoiler: The behemoth is basically a kraken turned UpToEleven.]]
* LaResistance: In Istanbul, there is the [[LaResistance Committee of Union and Progress]] which wants to remove the Sultan of the Ottoman Empire and replace him with an elected government. They existed in real life too.
** In real life, they were successful the ''first'' time they tried to overthrow the sultan.
* TheLadette: Deryn's this to those who know [[SweetPollyOliver she's a girl]].
** Lilit's a toned-down ladette.
* LadyOfAdventure: Dr. Barlow, during her time on the ''Leviathan''.
* LegoGenetics: The 'Darwinist' Nations can combine the DNA of species like whales and jelly fish. The eponymous ''Leviathan'' is supposedly composed of the DNA of hundreds of species, and is more of an ecosystem then a single animal.
* LivingWeapon: Somewhere between this and an AttackAnimal with the Fabricated Animals. There are examples of the later (like the flechette bats that you feed them fruits filled with metal needles, then scare them into pooping the needles on enemies) ''and'' examples of the former (the ''Leviathan'', an airship that is alive).
* LonelyRichKid: Alek, all over.
* LoveAcrossBattlelines: [[spoiler:Deryn and Alek.]]
* [[spoiler: LoveMakesYouCrazy: How Alek feels about his actions during the climax of ''Goliath''.]]
* LoveEpiphany: [[spoiler:Alek realises that he loves Deryn when he kills Tesla not to save Berlin, but [[CrowningMomentOfHeartwarming to save ''her'']].]]
* LoveTriangle: Type 5: [[spoiler:Lilit has a crush on Deryn/Dylan, who likes Alek, who thinks Lilit is attractive but can't have any real feelings for her because she's a ''commoner''. Deryn faces the same problem, with the added stumbling block that as far as Alek knows, she's a boy]].
* LoveYouAndEverybody
--> '''Alek''': What I'm really trying to say, Dylan, is that I think I'm in love... with the ship.
* AMechByAnyOtherName: Clankers. [[ShapedLikeItself The alliance apparently named themselves after]] [[HumongousMecha their war machines.]]
** The mechs themselves are usually called walkers. In Istanbul, they also have iron golems (used by the Jews), djinn (used by Arabs), werewolves (Vlachs), and Minotaurs (Greeks).[[note]][[GeniusBonus All are based off creatures from each group's mythology/religion.[[/note]]
* MechanicalHorse: Some of the smaller Clanker machines, and the transports featured in [[InsistentTerminology Constanti - sorry, Istanbul]] during ''Behemoth.''
* MiniMecha: Used for [[http://www.keiththompsonart.com/pages/germanscout.html scouting.]][[note]]This leads to the illustrator's website, and specifically to the picture of said scouts mentioned here.[[/note]]
* MixAndMatchCritters: The fabricated animals.
** Of particular note are the British beasties that are combined with ''dinosaurs.''
* MoreDakka: The Clankers.
-->'''Dr. Barlow:''' "What the Clankers lack in finesse they make up for in blanket ruination."
* MultinationalTeam: The Committee for Union and Progress. They're all living in Istanbul, but individually they are Greeks, Turks, Jews, and more, and they only became united under one purpose recently in ''Behemoth''.
* MotherNatureFatherScience: Dr. Barlow (a Darwinist boffin) and Nikola Tesla (a Clanker inventor).
* NarrativeProfanityFilter: Everyone seems to think Alek never curses, but when you count all the times it says, "Alek swore" or "Alek cursed softly in German," or anything like that, you can see that he's almost as bad as Deryn.
** Alek has also mentioned Deryn teaching him how to swear properly in English.
* NinjaPirateZombieRobot: [[FlyingSeafoodSpecial Flying whale battleships]] with electric (and later diesel) engines! Flying manta rays with [[GatlingGood Gatling guns]]! Robot elephants! Jewish mecha-golems! WorldWarOne battleships with Tesla cannons! Walking submersible warships!
* NoCelebritiesWereHarmed: Averted; all the real historical figures who appear (including Dr. Barlow, UsefulNotes/NikolaTesla, William Randolph Hearst and Pancho Villa) or get mentioned (Emperor Joseph of Austria, Kaiser Wilhelm of Germany, WinstonChurchill, etc.) are given their real names. [[spoiler: And at least one celebrity gets most ''thoroughly'' harmed when Alek electrocutes Tesla with his own walking stick.]]
* NonSequiturThud
-->'''Alek''': ...[[spoiler:you're a girl, aren't you?]]
* NotInFrontOfTheParrot: Volger in particular is leery of speaking in front of messenger lizards, which are bred to be talented mimics. The perspicacious loris is even better/worse.
* NotMakingThisUpDisclaimer: Played with in the afterword of each book, where Westerfeld explains that the books are based off of actual events of {{World War One}}, and elaborates on which elements are kept mostly the same and which have been altered for the sake of atmosphere.
* NoPeriodsPeriod: Something that hasn't slipped past the notice of the fanfic authors...
** WordofGod: Mr. Westerfeld said, "Women back then didn't menstruate as early, and women who pretended to be soldiers often stopped menstruating altogether. (Hard physical exercise and not a lot of food will do that.) So my guess is that she's not having any periods."
* ObliviousToLove: Alek to Deryn, although justified in that [[SweetPollyOliver he was under the impression she was a boy]]. Deryn to Lilit, too, until Alek tells her. [[spoiler:He finds out in ''Goliath''.]]
* OddNameOut: The first two novels are named after beasts from Jewish mythology (Leviathan and Behemoth) representing sea and land respectively. The beast representing the sky, Ziz, won't be the name of the third book because it was deemed too obscure and too short. Instead, the third book will be named ''Goliath''. [[WordOfGod Westerfeld also said on his blog]] that he thought 'Ziz' wasn't well known enough. Goliath was suggested by a fan.
** [[spoiler: The ''Goliath'' isn't a beastie, anyway,]] so this trope is ''entirely'' appropriate.
* OlderThanTheyThink: The cliff-hanger, in-universe.
* OneManIndustrialRevolution: CharlesDarwin.
* OrganicTechnology: Fabricated beasts.
* OrientExpress: Heavily involved in the climax. This version has robot arms and transports military material.
* ParentalAbandonment: Alek's parents are dead ([[WorldWarOne of course]]) and [[DisappearedDad so is]] [[HeroicSacrifice Deryn's da.]]
* PluckyMiddie: Deryn, Newkirk and the other, briefly seen middies.
* PimpedOutDress: Doctor Barlow shows up in several, leaving Deryn wondering where she gets them from.
* PinkertonDetective: Apparently, they also provide armed mechs and other services for anyone willing to pay the hefty price tag. The fact that America is neutral in the War probably helps as well.
* PursuingParentalPerils: The fact that [[spoiler:her father died ballooning]] has done ''nothing'' to diminish Deryn's desire to fly.
* RealRobot: The walkers run on finite fuel supplies, the difficulties in piloting them in varied terrain are detailed, and they are not at all easy to manage.
* RecursiveCrossdressing: Discussed. [[spoiler: After Dr. Barlow proposes that Deryn join her diplomatic (that is to say, spy) organization, and after Deryn tells Dr. Barlow her big secret, Barlow jokes that Deryn could end up disguising herself as a girl.]]
** In the bonus [[http://scottwesterfeld.com/blog/2011/12/bonus-goliath-chapter-and-art/ Christmas chapter]] on Westerfeld's blog, [[spoiler: Deryn does disguise herself as a girl. As does Alek.]]
* RedOniBlueOni: SweetPollyOliver Deryn Sharp is the red to BlueBlood [[IncrediblyLamePun Prince]] Alek.
* RichInDollarsPoorInSense: Alek, again. He doesn't know how to buy a ''newspaper.'' [[ShelteredAristocrat He's been sheltered and therefore very naive in dealing with other people.]] However, [[AcePilot behind the levers of a Stormwalker]] or coming up with battle plans, he's a certified genius. Hell, he's compared to Mozart.
* RidiculouslyCuteCritter: Bovril and the other perspicacious loris.
* RuleOfThree: Tesla insists that all his silverware be arranged in sets of three.
* RunningGag: ''[[GratuitousGerman Dummkopf]]''! in ''Behemoth''. In the same book, "''Mr.'' Sharp!" is Bovril's favorite phrase, using it try to point out something (he/she/it?) is trying to explain... and poor Alek can't pick up the hint.
* SamusIsAGirl: Alek's first meeting with Lilit, in which he assumes she is a man in a disguise.
* SesquipedalianLoquaciousness: Dr. Barlow, at times. It takes roughly half of ''Behemoth'' for Deryn to find out why Barlow called a certain fab the ''perspicacious'' loris, and Deryn thinks that "nascent fixation" sounds "[[CrowningMomentOfFunny a bit sinister, even if baby ducks [do] it too]]."
* ShelteredAristocrat: Alek was this in the beginning of ''Leviathan'' when it came to non-Clanker-mecha situations.
* ShipperOnDeck: Alek appears to be this for [[SweetPollyOliver Dylan]] and Lilit, little realizing Dylan is actually a girl who has a crush on him.
** ''Bovril'', of all things, gets into this to some degree, for Alek and Deryn. [[spoiler: It goes so far as to reveal "Dylan's" little ''secret''...]]
* ShoutOut: Nene claims the world is on a [[Literature/{{Discworld}} turtle resting on elephants all the way down.]]
* SignificantGreenEyedRedhead: Alek has reddish-brown hair and green eyes.
* SimultaneousArcs: Alek and Deryn alternate usually every two chapters as the viewpoint character; sometimes they're off doing separate things, sometimes they're together. In those chapters, the main difference (since it's third person all the time) is that Deryn refers to herself as such, while Alek knows her exclusively as "Dylan."
** [[spoiler: Which gets ''really'' confusing in ''Goliath'' once Alek learns "Dylan's" real identity.]]
* SmallAnnoyingCreature: Bovril.
* TheSmurfettePrinciple: If we only count [[SweetPollyOliver openly]] female characters, then Dr. Barlow has a very strong record of this in ''Leviathan'', and for the majority of ''Goliath'' as well.
* SpiderTank: The Clanker Land Frigates.
* SteamPunk: The Clanker Nations, including Germany and Austria-Hungary.
** Additionally, since they run on Kerosene, DieselPunk.
* SternTeacher: Volger, Alek's fencing master. Very stern, very no-nonsense, [[ParentalSubstitute very dear to Alek]].
* SweetPollyOliver: Deryn disguising herself to work as an airman.
* SweetOnPollyOliver: Averted as of the end of the first book; Alek seems to have only comradely feelings towards "Dylan"/Deryn. There are hints of {{UST}} on her part, however.
*** He does admit "Dylan" is good-looking. Lilit also has a thing for "him." [[spoiler: And it's implied she realizes the charade before they part ways, but [[LesYay she doesn't seem too put out about it at all]].]]
**** WordofGod says [[spoiler: she knew very well Deryn was a girl. Also, when she and Deryn meet again in ''Goliath'', Lilit lied when she said that kissing Deryn was just curiosity; Lilit really fell in love with Deryn.]]
*** [[spoiler: Alek ''definitely'' gets into this in ''Goliath'', going so far as to ''kill UsefulNotes/NikolaTesla'' and ''abdicate the throne'' for her by the end.]]
* TangledFamilyTree: Deryn told the crew of the ''Leviathan'' that Artemis Sharp was her uncle to prevent suspicion over the fact that [[ConvictionByContradiction Artemis Sharp only has one son and one daughter]]. However, Alek was told in confidence that Artemis Sharp is indeed her father.
* UngratefulBastard: Eddie Malone in ''Goliath''. [[spoiler:He's dead-set on publishing Deryn's real identity without regard to the fact that it will ruin her, even though she smuggled him onto the ''Leviathan''. He even insists that Alek ''saving his life'' isn't enough to dissuade him and only relents after Alek gives him an alternate story.]]
* TheUnreveal: We never ''do'' really find out [[spoiler: what the perspicacious loris was supposed to do.]]
* TranquilizerDart: The czar sends some of these in his package, along with numerous hunks of meat, [[spoiler:which, the ''Leviathan'''s crew members later work out, are meant to be used to hinder Tesla's hungry fighting bears while they rescue the inventor.]]
* TranslationConvention: Every conversation between Alek and his men is typed in English, though they really are speaking in German. When Deryn is narrating, though, their conversations are in German.
* UnresolvedSexualTension: There is a lot of this between [[spoiler:Alek and Deryn in the second half of Goliath]]. Their unwillingness to advance is justified since both have their futures to consider, [[spoiler:though both eventually overcome their fears of losing the things they once lived for, and [[HappilyEverAfter find a new life together at the London Zoological Society]].]]
* UnusualEuphemism: "Bumrag" = "asshole," "barking" = "fucking," "clart" = "shit".
** Or "jerk", "freaking", and "crap" respectively, given how casually they're thrown around, even in mixed company.
* [[spoiler: TheyDo: And the shippers rejoiced.]]
* {{Tomboy}}: Deryn. She's OneOfTheBoys, too.
* WarriorPrince: Alek.
* WellDoneSonGuy: Count Volger to Alek, [[ParentalSubstitute who sees him as a father]].
* WhaleEgg: The [[spoiler:perspicacious loris]] is hatched from an egg and, judging from what Deryn says, many fabricated beasts are "born" this way.
* WholesomeCrossdresser: [[SweetPollyOliver ''Mr.'' Sharp.]]
* WhamLine: Warning: huge Goliath spoilers! [[spoiler: "Can I trust you? Can I trust you, Deryn?"]] and [[spoiler: "Deryn Sharp was in love with him."]]
* WinstonChurchill: Lord of the Admiralty.
* WordOfGod: [[spoiler: Alek and Deryn live happily ever after.]] Also, Newkirk's full name is Eugene William Newkirk. Poor guy.
** [[AscendedFanon Newkirk's full name was suggested to Scott-La by a fan.]]
* YouJustToldMe
-->'''Alek''': Can I trust you? [[spoiler:Can I trust you, Deryn?]]
-->'''Deryn''': Aye, of course you can.
-->''{{beat}}''
--> '''Deryn''': (Internally) [[{{Catchphrase}} Oh, blisters]].
* ZeppelinsFromAnotherWorld: The Germans use zeppelins extensively, and the ''Leviathan'' for the Darwinists. It is also implied that they use other, smaller airship fabs too.
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