Mysteries for Early Elementary Students

Looking for mysteries for primary grade students, whether for shared or independent reading? Check out this selection of beginning reader, early chapter book, and graphic novel mysteries! Many books are the first in a series.

Updated August 21, 2025
Lewisville Public Library
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King & 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...
Hamster Holmes, a mystery comes knocking
Sadar, Albin.
Paper Book
Hamster Holmes and his firefly sidekick, Dr. Watt, solve mysteries together in this start to a Level 2 Ready-to-Read series! Hamster Holmes and Dr. Watt are the best sleuths in town! So when their friend Corny O'Squirrel has a mystery he needs help solving, he knows just who to...
Inspector Flytrap
Angleberger, Tom
Paper Book
From husband-and-wife team Tom Angleberger, creator of the New York Times bestselling Origami Yoda series, and Cece Bell, author/illustrator of the Newbery Honor graphic novel El Deafo, comes the start to a funny and clever illustrated chapter-book series about a mystery-solving Venus flytrap....
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...
Wednesday and Woof #1: Catastrophe
Winston, Sherri
Paper Book
Can Wednesday and her service dog, Woof, sniff out Mrs. Winter's missing cat before her big trip This is the first book of a fun full-color early chapter book series about the best detectives in the Midwest! Detective Tip #1 Try not to jump to conclusions. Wednesday and her...
Sloth sleuth
Marko, Cyndi
Paper Book
On an island crawling with crime, everyone's a suspect. Luckily, its resident sloth can solve crimes in her sleep (and often does!). Meet Paz, the world's first sloth sleuth. She may be slow . . . but she's always one step ahead of the bad guys. This hilarious graphic novel mystery...
The great puptective
Tysoe, Alina
Paper Book
A Junior Library Guild Selection A set-in-his-ways housecat has his routine upended by an enthusiastic new puppy with a nose for solving mysteries in this first "effervescent" (Publishers Weekly) book in a graphic chapter book series perfect for fans of InvestiGators...

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