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
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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...
The birthday party mystery
Manushkin, Fran
Paper Book
It's nearly Katie's birthday, and she learns she will be getting a special present. She's too excited to wait patiently for the gift to arrive, so she decides to investigate ahead of time. The clues might lead her to her present, but is it better to let this mystery go unsolved?
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
A funny and clever illustrated early chapter book series in the Flytrap Files universe, from New York Times bestselling author Tom Angleberger and Newbery Honor winner Cece Bell!   Meet Inspector Flytrap! He's a Venus flytrap and world-class solver...
The case of the nibbled pizza
Bentley, Tadgh
Paper Book
Meet Dino Detective and Awesome Possum- the sister-and-brother duo who are on the hunt for the next big case! Designed to engage early readers, this story combines charming characters with simple text, lively illustrations, and laugh-out-loud humor to help boost kids' confidence and create...
Fabio the world's greatest flamingo detective : the case of the missing hippo
James, Laura
Paper Book
This hilarious, brightly illustrated chapter book starring Fabio the flamingo detective and his sidekick Gilbert the giraffe is perfect for fans of CatStronauts and The Bad Guys. In a small town on the banks of Lake Laloozee lives the world's greatest flamingo detective. His...
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...
Simon and Chester : super detectives!
Atkinson, Cale
Paper Book
Welcome to the world of Simon and Chester, ghost and boy duo extraordinaire. They like to kick butt and take names. They don't like chores. They are best friends. And they are about to solve the MYSTERY OF A LIFETIME. (Oh, and eat some snacks probably.) Join Simon and Chester in their first...
The case of the golden bone
Varon, Sara
Paper Book
Can Detective Sweet Pea sniff out the suspect and crack the case? From the creator of Robot Dreams, now an Oscar-nominated feature film, comes a new graphic novel series for young readers! Sweet Pea's got a pretty sweet life. The animals in her hometown of Parkville...

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