Children's Mystery Books

Mystery Books for Grades 1 - 6

Updated June 18, 2026
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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 body under the piano
Jocelyn, Marthe
Paper Book
Aggie Morton lives in a small town on the coast of England in 1902. Adventurous and imaginative but deeply shy, Aggie hasn't got much to do since the death of her beloved father... until the fateful day when she crosses paths with twelve-year-old Belgian immigrant Hector Perot and discovers a dead...

AR: 5.4

Lexile: 750

Bog gone!
Jones, P. Knuckle
Paper Book
Meet detective-in-training Finder and her friends as they try to figure out why everyone in Belly Acre Bog has disappeared in this hilarious graphic novel mystery! Perfect for fans of The InvestiGators! Finder the tree frog absolutely loves solving mysteries. So when all...

AR: N/A

Lexile: 550

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

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 golden necklace : a Darjeeling tea mystery
Perkins, Mitali
Paper Book
National Book Award nominee Mitali Perkins crafts a contemporary chapter-book mystery about a 12-year-old Nepali girl who sets out to solve the disappearance of her Bengali friend's missing jewelry. Set within a tea plantation in Darjeeling, 7-10-year-old readers are transported...

AR: N/A

Lexile: 790

Little Penguin and the mysterious object
Driscoll, 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. Little Penguin has...

AR: N/A

Lexile: N/A

Murder most unladylike
Stevens, Robin
Paper Book
The first thrilling mystery in the number-one bestselling, award-winning Murder Most Unladylike series. Now with a brand-new introduction by the author, and a gorgeous, collectible new package with gold foil detail and sprayed edges. 'Perfect' The Times

AR: 5.9

Lexile: 910

The mystery of locked rooms
Currie, Lindsay
Paper Book
*Instant New York Times and USA Today bestseller!* Crack the codes. Find the treasure. Escape the house. From the acclaimed author of Scritch Scratch and What Lives in the Woods comes a action-packed adventure novel about three friends who team up to find a hidden treasure in an...

AR: 4.4

Lexile: 620

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

Mystery on museum mile
Wells, Marcia
Ebook
Art, mystery, fun and friendship, combine in this illustrated middle grade series debut. Sixth grader Edmund Xavier Lonnrot, codename "Eddie Red," has a photographic memory and talent for drawing anything he sees. When the NYPD is stumped by a mastermind art thief, Eddie becomes their secret...

AR: 4.9

Lexile: 690

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
An Indie Next Pick  An Amazon Top 20 Children's Book of the Year An Amazon Best Book of the Month A Barnes and Noble Most Anticipated Book A Common Sense Selection for Families   "An...

AR: 5.1

Lexile: N/A


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