[[quoteright:210:http://static.tvtropes.org/pmwiki/pub/images/scollins-210-exp-Warmbloods.jpg]]
[[caption-width-right:210:[[WhatDoYouMeanItsForKids Yeah, it's a children's book.]] And yes, the lizard is a good guy.]]

->"Aurora the Flier, I bond to you...Our life and death are one, we two...Through dark, through flame, through war, though strife...I save you as you save my life."

-->--The bonding ceremony between flier and human

''The Underland Chronicles'', abbreviated fondly as TUC, was written by author Creator/SuzanneCollins as her debut series of novels. The books consist of:

* ''Gregor the Overlander''
* ''Gregor and the Prophecy of Bane''
* ''Gregor and the Curse of the Warmbloods''
* ''Gregor and the Marks of Secret''
* ''Gregor and the Code of Claw''

When a kid named [[KidHero Gregor]] follows his little sister, Boots, through [[DownTheRabbitHole a grate in the laundry room]] of their New York apartment building, he hurtles into the dark [[AbsurdlySpaciousSewer Underland beneath the city.]] There, humans live uneasily besides [[NightmareFuel gi]][[AnimalsNotToScale ant]] [[GiantSpider spiders,]] [[GentleGiant bats,]] [[DumbIsGood cockroaches]] and [[RodentsOfUnusualSize rats]] - but the fragile peace is about to fall apart. Of course Gregor [[LittleHeroBigWar wants no part of a conflict]] between these creepy creatures. But when he discovers that a [[BecauseDestinySaysSo strange prophecy]] [[ChosenOne foretells a role for him]] in the Underland's uncertain future, [[spoiler:not to mention find his missing dad]] he knows there's no other choice. Little does he know his [[TheQuest quest]] will change him forever.

Though it sounds like [[AirportFantasy your run-of-the-mill fiction]], the books are surprisingly good and feature great characters. And yes, [[TalkingAnimal the animals talk.]] Big time.

The series has a small but devoted fanbase which has become slightly larger following the success of her other series, ''Literature/TheHungerGames''.
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!!This series includes examples of:

* [[ABoyAndHisX A Boy and his Bat]] Gregor's eventual bond [[spoiler:Ares.]]
* ActionGirl: Queen Luxa. And Solovet. Okay, pretty much all female characters save Nerissa.
* AerithAndBob: Gregor and his sister Boots come down to the Underland, where they meet people with strange names such as Dulcet, Vikus, Solovet, Luxa, etc. and then Gregor finds out that "Here among all these strange names [is] a Henry"
* AppliedPhlebotinum So...many....prophecies. Not to mention [[spoiler: the plot-helping mutations.]]
* BadassBoast: Ripred, whom many fans think is really a [[AGodAmI a god in disguise.]]
* BadassNormal: Gregor. And Luxa. And Ripred. Okay, pretty much everyone here can kick butt.
* BatOutOfHell: Averted. The bats here are friends with the humans, and they [[AccidentalInnuendo allow the humans to ride them.]] [[DragonridersofPern Sound familiar?]] Or not.
* BecauseDestinySaysSo: If it weren't for the prophecies, Gregor would not be involved in any of the Underland's battles.
* BeginnersLuck: Gregor seems to get lucky a lot when fighting, even though he's not the brightest.
** Somewhat justified in that [[spoiler: he's a [[TheBerserker rager]].]]
** {{Lampshaded}} in Book 5, when Gregor realizes that if [[spoiler: his [[TheBerserker rager skills]] fail him, he's just a twelve-year-old kid who's had a few sword lessons, and therefore in big trouble.]]
* TheBerserker: [[spoiler:Gregor and Ripred are both "ragers" -- a person with highly developed warrior skills, a natural-born killer.]]
* BigBad: Pearlpelt, or [[spoiler:the Bane. Literally.]]
* BlackAndGrayMorality: verging on GreyAndGrayMorality before [[spoiler: [[DoesThisRemindYouOfAnything the systematic extermination of the nibblers.]] Even afterward individual rats on the Bane's side are portrayed in a sympathetic light.]]
* BlessedWithSuck: Everyone in this series has some sort of tragic past.
** More specifically, Twitchtip the 'scent seer' whose sense of smell is so accurate that she can smell secrets -- not a fast track to the popular crowd. Also [[spoiler: Gregor as a rager, which means he has to pay special attention whenever he fights so he doesn't kill anyone. Great fun.]]
** Also, Nerissa. Funny how a society built on one man's prophecies treats their own personal prophetess so poorly.
* BittersweetEnding: Every single book except the first, verging on DownerEnding by the fifth one.
* BondCreatures: The "fliers" here bond with the humans, using a little poem that allows them to protect each other in battle and such. Here it is:
-->[Flier's name] the flier, I bond to you
-->Our life and death are one, we two,
-->Through dark, through flame, through war, though strife,
-->I save you as you save my life
* CallARabbitASmeerp: Rats/gnawers, mice/nibblers, bats/fliers, etc. [[{{HandWaved}} Handwaved]] as the species' names for themselves.
* CharacterDevelopment: Oodles of this. It's quite refreshing, actually. Gregor goes out of his way to point this out in Luxa when she goes to Temp for advice in later books.
* ChekhovsBoomerang: Lizzie. In COC, she becomes incredibly useful.
* CoveredWithScars: Ripred. Gregor also racks up an impressive total by the time the last book rolls around.
* DarkIsNotEvil: Apparently not. Gregor, the hero, wears black armor during the final battle, and his bond is black as well. [[spoiler:Not to mention the Bane is white.]]
* DeadpanSnarker: Seems to be an inborn trait of the rats, who are also some of the few underlanders to use informal language.
---> '''Twitchtip:''' (when Photos-glow-glow "can't understand" boots): Allow me to translate. She said If you don't stop you incessant bable that big rat sitting in the boat next to you will rip you head off.
* DeathIsSuchAnOddThing: The KillEmAll ending leaves Gregor in a state of emotional distress about many characters, many of whom were absolute [[{{Jerkass}} jerkasses]] toward him. On a smaller scale, the TrueCompanions have a very confused, not-quite-stunned reaction to the death of Tick in the first book.
* DieLaughing: Some plants in the Jungle get you so high that you don't notice the attacking vines.
* DirtyCoward: The fireflies.
* DisappearedDad: [[spoiler: Only for the first book.]]
* DividedWeFall: Ares to the max. Makes sense because [[IncrediblyLamePun bats really do hang and all.]]
* TheDragAlong: Temp and Boots, mostly. They never really do anything on the quests.
** Actually, Temp and Boots did do something in book three. Temp [[spoiler:kept on warning them, first suggested the idea that the cradle/cure might not be where they thought it was, and Boots did her dance.]]
** {{Lampshaded}} by Ripred in the same book --
-->Ripred: And if Temp is right, it would explain one thing .. The point of having a [[CallARabbitASmeerp crawler]] on this whole hellish trip! Honestly, how has he added to anything of significance? No offense, Temp, you've been a real champ about babysitting, but what have you contributed? Nothing! Maybe this is it! Your big moment!
* DontYouDarePityMe: And how. All the rats seem to be like this.
* DudeWheresMyRespect: The Underlanders will spend centuries meditating on the possible meanings of Sandwich's prophecies, but they won't give a second thought to whatever [[WaifProphet Nerissa]] says.Sure, Nerissa is [[TheOphelia not all there]] but her visions ''are'' accurate.[[note]]The problem is she doesn't know the time her visions take place. They could be ten years into the future or five years before she was born for all she knows.[[/note]] Gregor at least gives her the respect she deserves.
* EstablishingCharacterMoment: Interestingly enough, the villain gets one after his initial introduction. We first meet [[spoiler: the Bane as a baby, whose [[PleaseWakeUp cries for his mother]] make it impossible for Gregor to kill him. What could be more innocent?]] Well, in book 4, [[spoiler: we learn he killed his devoted caretaker. Still, he said it was an accident, and he's so big he might not know his own strength .. he tried to ''eat him'' to cover it up?]]
* [[EvilAlbino Evil]]/HeroicAlbino: The Bane and the Underland humans, respectively.
* {{Fandom}}: A rather small one, considering, but the [[FanFic fanfiction]] for the series has a few exemplary pieces that rival the original works.
* FantasticRacism: Even though the crawlers/cockroaches, gnawers/rats, spinners/spiders, fliers/bats, etc. that coexist with humans in the Underland are not human, they are sentient and treated as full characters on the same level as humans. Prejudices held among human characters towards these species are even treated as equal to any intra-human bigotry.
* FailureKnight: Poor Hamnet. [[spoiler:He shouldn't have listened to his mother and let the flood gates open so that everyone would drown.]] Later we discover that [[spoiler: Ripred is this for his dead mate and pups.]]
* FairWeatherMentor: Ripred could fit into this, particularly in book three.
* FinalBattle: [[spoiler: Almost all of Underland's species come together against the Bane's army on the Plains of Tartarus.]]
* GardenOfEvil: The Vineyard Of Eyes in the third book.
* GameOfNerds: The code-breaking team in book five. They're the Underland version of computer geeks.
* GoodWithNumbers: The mice, judging by their ThemeNaming, and [[ChekhovsGunman Lizzie]] in book five.
* GrudgingThankYou: People in the Underland are apparently very haughty.
** Just them? Everyone's haughty.
* GutFeeling: Happens a lot.
* HandicappedBadass: [[spoiler: Mareth loses his leg in the second book.]]
* HeroicBSOD: More than once.
* HeroicSacrifice: Used in almost every book - and not just from [[IdiotHero Gregor.]] Everyone wants to die for their loved ones. Sometimes this [[SenselessSacrifice doesn't help all that much.]]
* HyperAwareness: Gregor can see his surroundings by using echolocation.
* ICanStillFight: The fifth book has everyone doing this.
* ICantBelieveItsNotHeroin: Some of the carnivorous plants in the Jungle subdue you by getting you high.
* InsistentTerminology: "Fo-Fo? Fo-Fo? I am he called Photos Glow-Glow and will answer to no other name!"
* IronicNurseryTune: One appears in the fourth book, and [[spoiler:it turns out to actually be a prophecy detailing the genocide of a group of mice.]]
* JerkWithAHeartOfGold: Ripred. So much. Emphasis on jerk in book 3, emphasis on heart of gold in book 5.
** Book 5 is the shining example. [[spoiler: Ripred comes into the code room expecting to see another of Gregor's annoying (to him) siblings. He stops short, sees Lizzie, and gets an expression of ''tenderness'' on his face. Not to mention sleeping next to Lizzie after she has another panic attack during the night. It's explained that Lizzie is very similar to one of Ripred's deceased pups.]]
* LazyBum: The fireflies. Mareth describes how he once saw two fireflies try to fight to the death over a piece of cake, only to accuse the other of cheating and resort to sulking.
* MaybeMagicMaybeMundane:[[spoiler:Ripred points out that Sandwich's prophecies may well just be coincidence or [[SelfFulfillingProphecy self-fulfilling]], and he doesn't believe in them. They seem to be pretty accurate, but only after a book of trying to decipher them and you can see how they could be reinterpreted to fit the latest explanation.]]
** Mrs. Cormaci, who tends to send just the right objects at just the right times and who gives tarot readings. Gregor at one point wonders if she can see what he needs in her tarot cards, and given that psychics exist in this series, he could be right.
* MissingMom: [[spoiler: When Gregor's mom gets the plague in book 3, she spends most of the rest of the series recuperating in the Underland.]]
* MoreThanMeetsTheEye: Everyone seems to have hidden depths in this series.
* [[FatherIDontWantToFight Mother I Don't Want to Fight]]: [[spoiler: Hamnet tried this. It [[MyGreatestFailure didn't end well.]]]]
* NamesToRunAwayFromReallyFast: When your villain is named [[SpellMyNameWithAThe The Bane]] you know it's not going to end well.
** What about all the other ones? There's King Gorger, Mange...all the rats have some scary names.
* ANaziByAnyOtherName: [[spoiler: The Bane]] - scarily good orator, possibly insane, [[spoiler: inspires a mouse holocaust via gassing and cremation]]...
* NeverGotToSayGoodbye: Everyone dies unexpectedly.
* NonActionGuy: Luxa's grandfather, Vikus, who would rather [[FriendToAllLivingThings talk out problems]] than fight.
* {{The Ophelia}}: Nerissa, with a side order of WaifProphet and BlessedWithSuck to boot.
* PeopleOfHairColour: All the Regalians have silver/blond hair.
* ThePlague: The Curse of the Warmbloods.
** [[spoiler: SyntheticPlague: The Curse of the Warmbloods yet again.]]
* ProphecyTwist: Every book, perhaps most successfully in the second.
* PurpleEyes: And how.
* RealityEnsues: [[BittersweetEnding In the worst possible way, usually.]]
* [[RebelliousPrincess Rebellious Queen]]: Luxa owns this trope completely, but makes it seem pretty cool.
* ReplacementGoldfish: Lizzie, [[spoiler: for Ripred.]]
* PetTheDog: Ripred is [[{{Jerkass}} never more than civil]] to anyone, until he meets [[spoiler: Lizzie.]]
* ScarsAreForever: Ripred. Later [[spoiler: Gregor as well, which he realizes in part of his Bittersweet Ending.]]
* ShipperOnDeck: Very much averted. Howard seems hellbent on making sure Gregor and Luxa never go on a date.
** Of course, that could be because [[spoiler:he secretly loves Gregor. Fans seem to believe this.]]
** And there's Gregor's mom [[spoiler:who secretly approves of Luxa, because she's "got attitude."]]
* SpiderSwarm: There's a species of spiders called "[[CallARabbitASmeerp Spinners]]" living as an entire race.
* StrangeSyntaxSpeaker: The cockroaches from ''Gregor The Overlander'' tend to mix up verb and subject placement as well as using repetition of certain sentence elements, such as "Do it, I can, do it," or "be small Human, be?"
* ThemeNaming: All of the bats have names taken from Greek mythology. Additionally, Luxa's mother is named Judith, while Judith's twin is named Hamnet and their sister is named Susannah. William Shakespeare had a daugher named Susannah and twins named Judith and Hamnet.
* WaifProphet: Nerissa.
* WarIsHell: Gregor realizes this is true for both the Underland and Overland [[spoiler: in the ending chapter.]]
* WellExcuseMePrincess: Gregor seems to love mocking Luxa's stiff conduct and all that. Has some pretty funny moments.
* WhatTheHellTownspeople: The Regalians still scorn Gregor even though [[spoiler: he's saved their lives multiple times.]]
** [[spoiler: The ending of Book Five has Gregor tell off what amounts to the ENTIRE Underland. The Bane's dead and the humans and rats are ready to live together peacefully. Luxa then announces that the rats are being sent to live in the most hostile region of the Underland. Ripred isn't amused, and both sides are ready to go to war right then and there. Gregor tells all of them off not just for being so stupid after both sides have been devastated, but also for Ripred having come all this way with them and Luxa treating him like dirt.]]
* WhamLine: That encoded message in ''Gregor and the Code of Claw''? It says [[spoiler: Twitchtip died in pit.]] Also, Luxa's [[spoiler: declaration of war against the gnawers.]]
* WhenTreesAttack: Lots of the plants in the Jungle are carnivorous.
* WoobieDestroyerOfWorlds: The Bane (real name Pearlpelt). His father killed his other children so Pearlpelt could have more milk and grow stronger. His parents killed each other in a fight, and he saw his mother lying dead with her innards spilled over the ground. To make matters worse, almost all the humans shun him because he's the Bane, and many of his fellow [[YouDirtyRat rats]] honor him and want him to be their king. Eventually, he goes completely off the deep end, becoming an EvilAlbino and a great [[ANaziByAnyOtherName Hitler allegory.]]
* YouCantFightFate: In book 3, when Gregor's mom refuses to let him or his little sister go on the quest, [[spoiler: she falls ill with the plague he needs to help find the cure for.]] Conspiracy Time! Solovet.
* YouCantGoHomeAgain: Averted, mostly. This happens a bit in the first book, but then [[spoiler:Gregor goes on this quest to find his missing dad and all that.]] [[spoiler: Otherwise they want him to go home. And then come back for the next 4.]]
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