Kids Chapter Books - Mystery

Updated March 17, 2026
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All ears
Gibbs, Stuart
Paper Book
In the ninth novel in New York Times bestselling author Stuart Gibbs's FunJungle series, resident sleuth Teddy Fitzroy is on the case to find a missing elephant and clear his friend of vandalism. When a herd of elephants interrupts the big Friday night football game, the...
The secret of the old clock
Keene, Carolyn
Paper Book
A special treat for Nancy Drew fans, and any reader who's new to the series! We're releasing a stunning new edition of an old favorite-The Secret of the Old Clock, the first book in the incredibly popular, long-running series. It's the same exciting mystery that readers have fallen in love...
The cookie crumbles
Badua, Tracy
Paper Book
The Great British Bake Off meets Knives Out in this fun and propulsive middle grade novel following two best friends who must solve the mystery behind a baking competition gone awry. Laila gave Lucy a cupcake on the second day of kindergarten, and they've been...
The Swifts : a dictionary of scoundrels
Lincoln, Beth
Paper Book
#1 New York Times bestseller! "Knives Out feel by way of Lemony Snicket...This archly told, never muddled debut whodunit reveals a roster of distinct characters, a labyrinthine setting and plot, and a mystery that is as clever as its heroine." - Publishers Weekly...
The half-court hero
Lupica, Mike
Paper Book
#1 New York Times bestseller Mike Lupica begins an exciting new chapter book series, perfect for fans of Cam Jansen, featuring his trademark sports action and heart, and a lovable twin brother-sister duo who solve sports-related mysteries. There's nothing eight-year-old...
Opal Watson : private eye
Thurman, Brittany
Paper Book
Opal Watson, Private Eye introduces an exciting new middle grade mystery series based on the popular original Pinna podcast that feels like a modern-day version of Harriet the Spy. Opal Watson loves being a detective. When her neighbor's cat goes missing or her grandmother...
Lila Greer and the shrieking shadow
Beaty, Andrea
Paper Book
Lila Greer and the Shrieking Shadow is the seventh Questioneers chapter-book adventure in the popular series from #1 New York Times bestselling team Andrea Beaty and David Roberts Lila Greer has always loved mysteries, even when they scare her. When a...
The liars society
Gerber, Alyson
Paper Book
A New York Times and USA Today bestselling series! The Inheritance Games and One of Us is Lying for middle grade -- beloved author Alyson Gerber's new series is an unforgettable mystery featuring a secret society, a...
Spy school blackout
Gibbs, Stuart
Paper Book
In the thirteenth book in Stuart Gibbs's New York Times bestselling Spy School series, superspy middle schooler Ben Ripley goes off the grid to eliminate a cybersecurity threat. After a devious computer hacker pulls off the CIA's worst-case scenario, shutting...
A royal conundrum
Yee, Lisa
Paper Book
NEW YORK TIMES BESTSELLER . When a notorious thief is out for priceless treasure (gems! cats! general decorum!)-who're you gonna call? An elite team of crime-fighting underdogs, that's who! The Misfits are on the case in this hilarious series from Newbery Honoree Lisa Yee and Caldecott...
The Sherlock society
Ponti, James
Paper Book
A New York Times bestseller! In the tradition of Nancy Drew, four kids and one grandfather in Miami tackle a decades-old mystery in this first book full of "atmosphere, history, and lively humor" (Publishers Weekly, starred review) in the Sherlock Society middle...
The secret letters
Haddix, Margaret Peterson
Paper Book
In this page-turning middle grade series by New York Times bestseller Margaret Peterson Haddix, Colin and Nevaeh, whose parents own rival junk-removal businesses, uncover mysteries hidden in attics and basements and discover how trash can become treasure. In The Secret Letters, Colin and Nevaeh...
The mystery in the magic shop
Warner, Gertrude Chandler
Paper Book
The Aldens try to find a missing magician. Henry is learning to perform magic tricks from The Amazing Arthur and is excited to participate in Greenfield Magic Shop's annual magic show. But then The Amazing Arthur goes missing. Is his disappearance part of a new magic trick or a...
Linked
Korman, Gordon
Paper Book
An unforgettable novel from the New York Times bestselling Gordon Korman. Link, Michael, and Dana live in a quiet town. But it's woken up very quickly when someone sneaks into school and vandalizes it with a swastika. Nobody can believe it. How could such a symbol of hate end up in the...
Fowl play
Tubb, Kristin O'Donnell
Paper Book
Knives Out meets Finding Orion in this funny and heartwarming middle grade mystery by award-winning author Kristin O'Donnell Tubb about a girl investigating the recent death of her uncle only to find the healing power of family. Chloe Alvarez has never been to the reading of a last will...
EXPLORER ACADEMY : the nebula secret
TRUEIT, TRUDI.
Paper Book
Adventure, danger, and a thrilling global mission await 12-year-old Cruz Coronado as he joins an elite school for explorers. Cruz leaves his tranquil home in Hawaii to join 23 talented kids from around the globe to train at the Explorer Academy with the world's leading scientists...
Drew Leclair gets a clue
Bury, Katryn
Paper Book
In this modern take on Harriet the Spy, twelve-year-old Drew uses her true crime expertise to catch the cyberbully in her school--only to discover that family, friendship, and identity are the hardest mysteries to solve. Drew Leclair knows what it takes to be a great...
From the desk of Zoe Washington
Marks, Janae
Paper Book
#1 Kids Indie Next List * Parents Magazine Best Book of the Year * Chicago Public Library Best of the Best Book of the Year * SLJ Best Book of the Year * Kirkus Best Book of the Year * Junior Library Guild Selection * Edgar Award Nominee * Four Starred Reviews * Bank Street Best...

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