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A KidDetective series by Ron Roy about three kids - Josh, Dink and Ruth Rose - who solve mysteries in their town of Green Lawn. Each story has an alliterative title, such as ''The Canary Caper'', ''The Ninth Nugget'', and so on. After the first twenty-six books, Ron Roy wrote two shorter spin-off series, ''Super Edition'' and ''Calendar Mysteries''.

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!''A to Z Mysteries'' contains examples of:

* ActuallyNotAVampire: Dr. A. Cula (aka Jimmy Jett) in ''The Vampire's Vacation''.
* AddedAlliterativeAppeal: Every book in the series has an alliterative title.
** AlliterativeName: Donald David Duncan, Ruth Rose, Lucky O'Leary, etc.
* AprilFoolsPlot: ''The School Skeleton''.
* AuthorAvatar: Wallis Wallace, the famous author of a series of alliterative-titled mystery books. Ron Roy's first name is actually Wallace.
* BaldOfEvil: The title character in ''The Bald Bandit'', who steals from a bank.
* BigApplesauce: ''The Orange Outlaw'' has the three main kids visit Dink's Uncle in New York City.
* BigEater: Josh Pinto.
* BlandNameProduct: From ''The Unwilling Umpire'', we have [=YuBuy=].com an auction site similar to Website/{{eBay}}.
* BookEnds: ''The Runaway Racehorse'' starts with Josh dripping some ketchup on his shirt from eating french fries and ends with him dripping ketchup on his shirt from eating a hamburger.
* CatapultNightmare: Dink in ''The Deadly Dungeon'' has a nightmare and then "bolt[s] upright in his bed," and has similar catapult nightmares on other occasions.
* ChekhovsGun: In ''The Jaguar's Jewel'', Dink looks at the case holding the titular jaguar while Ruth Rose feeds the fish, and Josh notices a letter opener. The kids solve the crime by finding the jewel in the fish tank and examine security footage to note when the letter opener changed directions.
** ChekhovsClassroom: Dink learns some French in ''The Kidnapped King'' and mispronounces ''jaune'', the French word for ''yellow'', as Joan, the name of the tutor. Using this knowledge, he later finds out that Joan is the kidnapper.
** ChekhovsSkill: In ''The Bald Bandit'', Ruth Rose's ability to scream really loudly comes in handy when the Bald Bandit tries to kidnap her.
* ChristmasEpisode: Super Edition 3: ''White House White-Out''.
* CoolOldLady: Gram Hathaway, Ruth Rose's grandmother, who first appeared in ''The Goose's Gold''.
* CowboyEpisode: ''The Ninth Nugget'' takes place on a dude ranch.
* CounterfeitCash: The three main kids find a whole stash of this in ''The Invisible Island''.
* CrossOver: Dink, Josh, and Ruth Rose meet the kids in the ''Capital Mysteries'' in ''White House White-Out''.
* DoubleMeaningTitle: ''The Orange Outlaw'' has the meanings "the outlaw that has orange hair" and "the outlaw who stole oranges". The outlaw is a trained monkey who steals a painting and leaves a big mess of orange peels because of its enormous appetite.
* EverytownAmerica: Green Lawn, Connecticut.
* FakedKidnapping: ''The Absent Author'' revolves around the kidnapping of the eponymous mystery author. Turns out the whole thing was a hoax in order for the author to investigate how real kids solve mysteries.
* FoodEnd: ''The Falcon's Feathers'' ends with an ice cream party for the heroes.
* FullNameUltimatum: The introduction to the first book says Dink's mom calls him [[AlliterativeName Donald David Duncan]] when she's upset.
* KidDetective: The protagonists, as this is part of the premise.
* INeverSaidItWasPoison: At the end of ''The Lucky Lottery'', the three main kids confront their prime suspect over a stolen lottery ticket.
-->'''Ruth Rose:''' And ''your'' fingerprints are on the mantel where you stole the Christmas card!
-->'''Dot Calm:''' You're crazy, kid. I was wearing glov...
* IronicNickname: Lucky O'Leary, so called because he's so unlucky.
* TheMeddlingKidsAreUseless: ''The Canary Caper'' revolves around a series of pet kidnappings ultimately solved by the police. Even when the three main kids discover a pattern in the kidnappings, Officer Fallon says they already made the connection. The kids hide outside the thief's next victim, but the police show up before they can even catch the petnapper.
* PandaingToTheAudience: In ''The Panda Puzzle'', the three protagonists search for a missing baby panda bear.
* RepetitiveName: Wallis Wallace.
* SamusIsAGirl: In the first ''The Absent Author'', our detectives try to get reclusive mystery author Wallis Wallace to show up. Wallis doesn't show up, but the gang finds him kidnapped... then realizes Wallis is really tourist Mavis Green, and the kidnapped man is her brother, Walker.
* ScoobyDooHoax: ''The Zombie Zone''.
* ShoutOut:
** During ''The Runaway Racehorse'', Ruth Rose reads ''Literature/TheBlackStallion''.
** Josh has a dream in ''The Goose's Gold'' that anything he touches turns into chocolate like in ''The Chocolate Touch'.
* SurveillanceStationSlacker: In ''The Jaguar's Jewel'', Dink's uncle forgets that his office has a security system even when a thief steals the titular jewel from his office. Leaving it up to our three heroes to find the video and decipher the clues.
* ThreeAmigos: Josh, Dink and Ruth Rose. They're always together.
* TrailOfBreadCrumbs: Sammi leaves one with kaleidoscope pieces when he's kidnapped in ''The Kidnapped King''. Thankfully [[TeamPet Pal]] can smell them out.
* UncattyResemblance: Grace Lockwood from ''The Falcon's Feathers'' looks very much like a falcon when she reads an issue of ''Falconry Today'' in a picture at the end of Chapter 5.

!''Calendar Mysteries'' contains examples of:

* HypnoFool: Invoked in a prank Mrs. Pinto pulls on her sons in ''May Magic''. When she gets hypnotized to believe she likes ducks, she starts acting like she ''is'' a duck.
** MyInstinctsAreShowing: {{Inverted}} since Hypo the Hypnotist also turns her into a duck.
* IdenticalTwinIDTag: Out of Brian and Bradley, Brian is the twin missing a tooth.
* ScoobyDooHoax: Dink, Josh and Ruth Rose pull one on the four main kids to convince them that aliens have invaded Green Lawn.
* SpinOffspring: The series follows the adventures of Bradley and Brian Pinto (Josh's younger brothers), Nate Hathaway (Bradley's friend), and Lucy Armstrong (Dink's cousin).
* ThemeTwinNaming: Brian and Bradley.
* ValentinesDayEpisode: ''February Friend''.