Mystery Books

Last updated: July 9, 2026

The best mystery books are the ones that keep you guessing until the very end. These suspenseful stories will keep all age groups turning the page, on the hunt for the next clue. From classic kid detectives like Encyclopedia Brown to modern-day murder mysteries for teens, there's something for everyone here. So pick up one of these exciting thrillers and follow the clues until you find your inner detective. And if you're looking for more mysteries to solve, you'll love these Girl Heroes and Detectives and Thriller Books for Teens.

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A to Z Mysteries Series Poster Image

BOOK

A to Z Mysteries Series

age 6+

Good-hearted kids solve mysteries in fun, short chapters.

Ron Roy Mystery (1997)

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Ballpark Mysteries Series Poster Image

BOOK

Ballpark Mysteries Series

age 6+

Bro and sis solve fun mysteries in major-league ballparks.

David A. Kelly Mystery (2011)

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Cam Jansen Series Poster Image

BOOK

Cam Jansen Series

age 6+

Fifth-grader with photographic memory solves fun mysteries.

David A. Adler Mystery (2004)

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Dragons and Marshmallows: Zoey and Sassafras, Book 1 Poster Image

BOOK

Dragons and Marshmallows: Zoey and Sassafras, Book 1

age 6+

Girl solves fun mystery with science, magic, and her cat.

Asia Citro For Beginning Readers (2017)

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Iggy Peck and the Mysterious Mansion: The Questioneers, Book 3 Poster Image

BOOK

Iggy Peck and the Mysterious Mansion: The Questioneers, Book 3

age 6+

Curious kids solve ghostly mystery in smart, funny tale.

Andrea Beaty For Beginning Readers (2020)

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InvestiGators book cover: Two smiling green alligators wearing gadget vests running through a brick wall

BOOK

InvestiGators Series

age 6+

Wacky characters solve odd mysteries in fun graphic novels.

John Patrick Green Graphic Novel (2020)

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Basil of Baker Street: The Great Mouse Detective, Book 1 Poster Image

BOOK

Basil of Baker Street: The Great Mouse Detective, Book 1

age 7+

Classic, cute series about Sherlock-like mouse sleuth.

Eve Titus Adventure (2016)

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Encyclopedia Brown Series Poster Image

BOOK

Encyclopedia Brown Series

age 7+

Boy solves crimes that stump adults in fun, funny mysteries.

Donald J. Sobol Mystery (2007)

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Magnolia Wu Unfolds It All book cover: Two girls cross a busy New York City street; fluffy white dog in red boots follows them

BOOK

Magnolia Wu Unfolds it All

age 7+

Friends solve mysteries about socks over a NYC summer.

Chanel Miller Mystery (2024)

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Nancy Clancy, Super Sleuth Poster Image

BOOK

Nancy Clancy, Super Sleuth

age 7+

Chapter book mystery promises more fun for Fancy Nancy fans.

Jane O'Connor Mystery (2012)

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Precious Ramotswe Series Poster Image

BOOK

Precious Ramotswe Series

age 7+

Kind, brave 9-year-old solves fun mysteries in Botswana.

Alexander McCall Smith Mystery (2012)

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The Bailey School Kids Series Poster Image

BOOK

The Bailey School Kids Series

age 7+

Four adventurous friends solve mysteries in engaging tales.

Debbie Dadey , Marcia Thornton Jones Mystery (1991)

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The Legend of Diamond Lil Poster Image

BOOK

The Legend of Diamond Lil

age 7+

Funny, clever dog-next-door mystery good for early readers.

Doreen Cronin Animals (2012)

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A Strange Thing Happened in Cherry Hall book cover: Illustration of a running boy and girl with a turtle in the foreground

BOOK

A Strange Thing Happened in Cherry Hall

age 8+

Turtle helps two tweens in ghostly, delightful mystery.

Jasmine Warga Mystery (2024)

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At the Bottom of the World: Jack and the Geniuses, Book 1 Poster Image

BOOK

At the Bottom of the World: Jack and the Geniuses, Book 1

age 8+

Bill Nye's passion, humor shine in science-rich mystery.

Bill Nye , Gregory Mone Science (2017)

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Beetle Boy, Book 1 Poster Image

BOOK

Beetle Boy, Book 1

age 8+

Fun, engaging mystery about a boy and his helpful beetles.

M.G. Leonard Mystery (2017)

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Camp Sylvania book cover: A very thin woman looks menacingly down on three tweens in front of a dark lake who all look scared

BOOK

Camp Sylvania

age 8+

Spooky, funny, body-positive tween camp adventure.

Julie Murphy Adventure (2023)

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Enola Holmes: The Case of the Missing Marquess: The Enola Holmes Mysteries, Book 1 Poster Image

BOOK

Enola Holmes: The Case of the Missing Marquess: The Enola Holmes Mysteries, Book 1

age 8+

Teen girl detective is a fun twist on famous family name.

Nancy Springer Mystery (2007)

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Escape from Mr. Lemoncello's Library: Mr. Lemoncello's Library, Book 1 Poster Image

BOOK

Escape from Mr. Lemoncello's Library: Mr. Lemoncello's Library, Book 1

age 8+

Fun mystery about kids locked in library by wacky genius.

Chris Grabenstein Mystery (2013)

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Evangeline of the Bayou Poster Image

BOOK

Evangeline of the Bayou

age 8+

Exciting thrills and chills in mysterious supernatural tale.

Jan Eldredge Adventure (2018)

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