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 & 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...
The case of the missing tarts
Curran-Bauer, Christee
Paper Book
The Pigeon Detectives are looking forward to devouring a delectable platter of jam tarts--until the tasty treats are stolen from right under their beaks! With tummies grumbling, the PPD are on the hunt for clues, but can the detectives recover the tarts in time before they are all eaten--or worse-...
The big race lace case
Jacobs, Paul DuBois
Paper Book
Mack Rhino is a private detective--who just so happens to be a rhinoceros--in this silly, fun-to-read Aladdin QUIX chapter book that's perfect for emerging readers! Mack Rhino is a private eye who has just finished solving his 99th case. With his trusty sidekick, Redd Oxpeck by...
Hero dog!
Lysiak, Hilde
Paper Book
Real-life super-sleuth and media sensation Hilde Lysiak's reporting skills are put to the test in this fun early chapter book mystery series!Pick a book. Grow a Reader!This series is part of Scholastic's early chapter book line Branches, aimed at newly independent readers. With easy-to-read text,...
The weird sisters : a note, a goat, and a casserole
Smith, Mark David
Paper Book
The first book in a mystery series features three sleuthing sisters One spring evening, three strange visitors arrive in the town of Covenly. Sisters Hildegurp, Yuckmina, and Glubbifer are hoping to start fresh with a new business: a pet store! Their first customer is nine-year-old Jessica...
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...
P.I. Butterfly. Case #1, Gone guppy
Kilpatrick, Karen
Paper Book
"Kids will laugh and learn as P.I. Butterfly solves the case!"--Jim Benton, New York Times bestselling author (Dear Dumb Diary, Franny K. Stein, Catwad) This outlandish whodunit will keep readers guessing and laughing...all the way to the surprise...
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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