Best mystery books for kids
The best mystery books for kids include Holes, Encyclopedia Brown and Cam Jansen. Mysteries are one of the easiest ways to keep a child reading: every chapter ends with a question they want answered.
12 books, checked for age-appropriate content. Updated .
Content checked by Dhiraj Bodade, co-founder of Bookstaken.
- 1
Ages 9–14
Holes
by Louis Sachar
Stanley Yelnats is plagued by bad luck, thanks to a curse placed on his great-great-grandfather. Sent to Camp Green Lake, a brutal juvenile detention facility in the middle of a dried-up desert lake bed, boys are forced to dig one five-foot hole every day. Stanley soon suspects the cruel Warden is secretly hunting for buried treasure. With clever, interlocking timelines and a dry, witty narrative voice, this absorbing story balances hardship with humor and deep friendship.
- 2
Ages 6–11
Encyclopedia Brown
by Donald J. Sobol
Ten-year-old Leroy 'Encyclopedia' Brown is the secret genius of the Idaville police department, quietly helping his police chief father solve baffling mysteries over the dinner table. During the day, he runs his own detective agency from the family garage, helping neighborhood kids crack cases and outsmart the town bully, Bugs Meany. Each short case gives readers all the clues they need to solve the puzzle themselves before turning to the back for the answer.
- 3
Ages 6–8
Cam Jansen
by David A. Adler
Fifth-grader Jennifer 'Cam' Jansen has an amazing photographic memory. Whenever she wants to remember something, she closes her eyes, says 'click,' and stores a picture in her mind. Alongside her loyal best friend Eric, Cam uses her unique skill to spot clues, solve neighborhood puzzles, and crack cases that leave grown-ups stumped. Young readers enjoy the engaging, fast-paced mysteries and love testing their own observation skills alongside Cam as she pieces the clues together.
- 4
Ages 6–11
The Boxcar Children
by Gertrude Chandler Warner
Four orphaned siblings—Henry, Jessie, Violet, and Benny—run away to stay together and make a cozy home inside an abandoned train car in the woods. Using their wits and teamwork, they find creative ways to gather food, build dishes, and take care of each other. Children love the comforting fantasy of resourcefulness, independence, and the warm, supportive bond between the brothers and sisters.
- 5
Ages 6–8
Real Pigeons Fight Crime
by Andrew McDonald
Rock Pigeon is a master of disguise who joins an elite squad of crime-fighting pigeons. Together, the feathered detectives tackle odd neighborhood mysteries, from vanished breadcrumbs to kidnapped park bats. Packed with slapstick humor, quirky characters, and energetic cartoon illustrations on every page, this fast-paced mystery keeps early chapter-book readers giggling as they follow the team's silly disguises and funny detective work.
- 6
Ages 6–8
King & Kayla
by Dori Hillestad Butler
Told from the perspective of an energetic golden retriever named King, this charming early reader mystery follows King and his human friend Kayla as they investigate neighborhood puzzles together. While Kayla uses careful detective notes to gather clues, King relies on his keen sense of smell and doggy instincts to help crack the case. Young readers will love King's funny, enthusiastic voice and the gentle, lighthearted mysteries that make building reading confidence fun.
- 7
Ages 6–8
Nate the Great
by Marjorie Weinman Sharmat
Nate is a sharp young detective who loves pancakes almost as much as solving a case. When his friend Annie loses a picture she just painted of her dog, Fang, Nate puts on his trench coat and begins looking for clues. Written with a deadpan, hardboiled detective style tailored for early readers, this classic story combines simple vocabulary with clever humor. Children love Nate's dry wit, his quirky neighborhood friends, and the satisfying fun of piecing together a miniature mystery on their own.
- 8
Ages 6–8
A to Z Mysteries
by Ron Roy
Join young sleuths Dink, Josh, and Ruth Rose as they team up to crack cases in their small town of Green Lawn. From stolen treasures and mysterious footprints to strange happenings, each story features clever clues, gentle suspense, and fun teamwork. Young readers love trying to solve the puzzles alongside the trio, making these fast-paced chapter books a favorite stepping stone into reading mysteries independently.
- 9
Ages 6–11
Geronimo Stilton (series)
by Geronimo Stilton (created by Elisabetta Dami)
Geronimo Stilton is a quiet, nervous mouse who runs a newspaper on New Mouse City, but his eccentric family members constantly drag him into wild adventures across the globe. From solving curious mysteries to surviving treacherous journeys, Geronimo bumbles through danger with plenty of comic mishaps. Children love the fast pace, lively full-color illustrations, and playful, colorful fonts that make reading feel dynamic and approachable for developing readers.
- 10
Ages 9–14
Sammy Keyes
by Wendelin Van Draanen
Thirteen-year-old Sammy Keyes has a knack for stumbling into trouble and solving mysteries in her California town. Living secretly with her grandmother in a seniors-only apartment building, she has to stay under the radar while tackling neighborhood crimes, school rivalries, and growing up. The story combines clever sleuthing with sharp wit and memorable characters. Readers enjoy Sammy's feisty personality, fast-paced investigations, and relatable everyday dilemmas.
- 11
Ages 9–11
Secret Coders
by Gene Luen Yang
Hopper enters Stately Academy, an odd school filled with creepy four-eyed birds and mysterious secrets. Teaming up with fellow student Eni, she uncovers puzzles left behind by the school's eccentric founder. By learning real-world computer science concepts, binary code, and logic, the pair begin hacking their way through the school's bizarre mysteries. It is an engaging graphic novel that seamlessly blends an intriguing detective story with playful STEM learning.
- 12
Ages 9–14
The Mysterious Benedict Society
by Trenton Lee Stewart
After responding to a peculiar newspaper advertisement, four remarkably gifted orphans pass a series of mind-bending tests. Recruited by the eccentric Mr Benedict, Reynie, Sticky, Kate, and Constance are sent on an undercover mission to the Learning Institute for the Very Enlightened. There, an evil mastermind is transmitting hidden messages to control minds. Children love the clever riddles, ingenious puzzle-solving, and the way each distinct personality must work together to save the world.
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