Children's Mystery Books

Mystery Books for Grades 1 - 6

Updated June 18, 2026
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City of Mission Viejo Library City of Mission Viejo Library
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Children's Mystery Books

Mystery Books for Grades 1 - 6

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Banana Fox and the Secret Sour Society
Kochalka, James
Paper Book
Eisner Award-winning cartoonist James Kochalka makes his Graphix Chapters debut with this laugh-out-loud mystery series! Get drawn into reading with Graphix Chapters! Graphix Chapters are ideal books for beginning and newly independent readers aged 6-8. With approachable page...

AR: 2.5

Lexile: 520

The case of the strange splash
Winkler, Henry
Paper Book
From New York Times bestselling creators--Emmy Award-winning actor Henry Winkler, children's book author Lin Oliver, and Caldecott Medal-winning author-illustrator Dan Santat--comes Detective Duck: The Case of the Strange Splash, a hilarious, full-color...

AR: 3.9

Lexile: 680

Denis ever after
Abbott, Tony
Paper Book
Written by award-winning author Tony Abbott and perfect for fans of The Ethan I Was Before and The Thing About Jellyfish, this bittersweet middle grade novel follows the ghost of Denis Egan as he teams up with his living twin brother to solve the mystery of his death. Denis Egan is dead....

AR: 4.1

Lexile: 620

Escape from Mr. Lemoncello's library
Grabenstein, Chris.
Paper Book
THE START OF THE NEW YORK TIMES BESTSELLING SERIES WITH MORE THAN TWO MILLION COPIES SOLD! Can you escape from what James Patterson calls "the coolest library in the world"? Follow along and solve the clues in this interactive adventure! From the co-author of Murdle...

AR: 4.5

Lexile: 720

The ghost tree
Deen, Natasha
Paper Book
Is it science...or strange and ghostly? Asim's new town is freaking him out! There are weird noises at night, eerie lights, and now an evil tree that is growing way faster than it should. he's sure there's something supernatural going on. His friend Rokshar...

AR: N/A

Lexile: 440

King and Kayla and the case of the missing dog treats
Butler, Dori Hillestad
Paper Book
King & Kayla are back on the case in this laugh-out-loud mystery from the Theodor Seuss Geisel Honor Award-winning series. Kayla made peanut butter treats for Thor, Jillian's new puppy. But now the treats are missing, and King is under suspicion. Analytical Kayla...

AR: 2.2

Lexile: 440

Little Penguin and the Mysterious Object
Driscolll, Laura
Paper Book
Little Penguin solves his first mystery in this hilarious new I Can Read! adventure by Little Penguin Gets the Hiccups author Tadgh Bentley. For new readers who are fans of Mo Willems's Elephant and Piggie series and Adam Rubin's Dragons Love Tacos. ...

AR: N/A

Lexile: N/A

Murder is bad manners
Stevens, Robin
Paper Book
Two friends form a detective agency--and must solve their first murder case--in this "sharp-witted debut" (Publishers Weekly, starred review) that is the first adventure in a brand-new middle grade mystery series set at a 1930s boarding school. Daisy Wells and Hazel Wong...

AR: 5.9

Lexile: 910

Mystery in Rocky Mountain National Park
Johnson, Aaron
Paper Book
Before Jake's grandfather died, he was on the trail of a centuries-old mystery. And he has entrusted that mystery to Jake, leaving behind a set of hidden codes, riddles, maps, and other clues that lead Jake and his friends on a scavenger hunt into the heart of Colorado's wild and rugged Rocky...

AR: 4.8

Lexile: N/A

The mystery of the stinky, spooky night
Manushkin, Fran
Paper Book
When Pedro and his dad walk Katie home on a foggy night, something smelly fills the air! With their noses working extra hard, the two friends have a mystery to solve: What is that making that stink, and why is it following them?

AR: 2.0

Lexile: 440

The Sherlock society
Ponti, James
" In the tradition of Nancy Drew, four kids and one grandfather in Miami tackle a decades-old mystery in this first book in the action-packed and funny Sherlock Society middle grade series from New York Times bestselling, Edgar Award-winning author James Ponti!

AR: 4.9

Lexile: 770

Shirley & Jamila save their summer
Goerz, Gillian
Paper Book
This middle-grade graphic novel for fans of Roller Girl and Smile introduces Jamila and Shirley, two unlikely friends who save each other's summers while solving their neighborhood's biggest mysteries. Jamila Waheed is staring down a lonely summer in a new...

AR: 2.8

Lexile: 490

Sisterhood of sleuths
Bertman, Jennifer Chambliss
Paper Book
A clever and thought-provoking mystery that pays homage to classic Nancy Drew stories, perfect for fans of Wendy Mass and Trenton Lee Stewart. Maizy always assumed she knew everything about her grandmother, Jacuzzi.?So?when a box full of vintage Nancy Drew books gets left at...

AR: 5.1

Lexile: N/A

Super Max and the mystery of Thornwood's revenge
Vaught, Susan
Paper Book
"An excellent addition to middle grade shelves, with a differently-abled main character that readers will root for." --School Library Journal "Vaught makes Max the brash, bold star of the book, exchanging stereotypes and sympathy cards for a well-drawn character whose...

AR: 5.5

Lexile: 820

Wallace and Grace take the case
Alexander, Heather
Paper Book
The Read & Bloom line offers high interest, character driven stories for newly independent readers that feature full-color illustrations throughout and will transition kids from leveled readers to a lifetime of reading. In this charming series, perfect for newly independent readers, kids will be...

AR: 2.7

Lexile: 490

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https://librarian.syndetics.com/syndeticsunbound/lp/2262.4555/list/7195

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