Children's Mystery Books

Mystery Books for Grades 1 - 6

Updated June 18, 2026
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Bat and Sloth solve a mystery
Kimmelman, Leslie
Paper Book
Bath and Sloth are trying to sleep when they hear a noise. A LOUD noise. Can Bat and Sloth figure out where it's coming from and how to make it stop?

AR: N/A

Lexile: 510

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

The great Caper caper
Funk, Josh
Paper Book
In the fifth adventure of the Lady Pancake and Sir French Toast series, our delectable rhyming friends find their home covered in darkness and embark on a Las Veggies heist--perfect for fans of The Food Group series.   When Lady Pancake and Sir...

AR: N/A

Lexile: 640

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. Little Penguin has...

AR: N/A

Lexile: N/A

Murder is bad manners
Stevens, Robin
Ebook
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 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

The rez detectives
Judd, Steven Paul
Paper Book
This summer, Tasembo just wants to chill. But that's not an option when it's a scorching day on the Reservation and the Ice Cream Man is a no-show. In an attempt to impress his crush by solving the mystery, Tasembo joins forces with his neighbor, Nuseka, and his dog, Billy Jack, to take on their...

AR: N/A

Lexile: N/A

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...

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

Wallace and Grace take the case
Alexander, Heather
Paper Book
Two owl detectives solve the mysteries in this charming early reader series, perfect for fans of the Owl Diaries. These best friends are partners in the Night Owl Detective Agency and work together to solve mysteries! Wallace and Grace meet a rabbit who is sure he...

AR: 2.7

Lexile: 490


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