Books About Kids Solving Mysteries

The Best Kids Solving Mysteries Books for Kids

Looking for excellent children's books about kids solving mysteries? This collection brings together Bookroo's highest-rated and most useful picks in one place.

Start with our editorial favorites, then browse recommendations organized by reading stage to find the right book for your reader.

The Shortlist

Our 10 Favorite Books About Kids Solving Mysteries

Encyclopedia Brown, Boy Detective
Sale price
$674
Chapter Book · Ages 7–10 · 1963

Encyclopedia Brown, Boy Detective

A boy detective solves mysteries and crimes in his neighborhood with the help of his trusty encyclopedia-filled brain.

96 pages· 9,068 words· Est. 1.5 hour read
4.0 Goodreads · 40,449 ratings
$6.99Save 4%
Paperback
Summary: Ten-year-old detective Encyclopedia Brown uses his trivia skills to crack neighborhood mysteries and assist his police chief father with baffling cases. Can you solve the puzzles alongside him?
January Joker
Sale price
$674
Chapter Book · Ages 6–9 · 2009

January Joker

By Ron Roy, John Steven Gurney (Illustrator) · Book #1 in the Calendar Mysteries series

A group of kids try to figure out what is happening when their friends and pets start disappearing.

96 pages· 6,871 words· Est. 1.5 hour read
4.0 Goodreads · 1,339 ratings
$6.99Save 4%
Paperback
Summary: Bradley Pinto is convinced aliens have invaded Green Lawn after spotting strange lights and three-toed tracks. His twin, Brian, and friends Lucy and Nate are skeptical until their siblings mysteriously vanish. Are extraterrestrial forces at play, or is there another explanation? As the kids race to uncover the truth, they must solve the mystery before more disappearances occur. Can they find their missing friends and unravel the secrets hidden in their town?
The Mystery of the Stolen Diamonds
Sale price
$674
Chapter Book · Ages 7–9 · 1980

The Mystery of the Stolen Diamonds

By David A. Adler, Susanna Natti (Illustrator) · Book #1 in the Cam Jansen series

A young girl with a photographic memory helps solve a jewelry store robbery with her friend and her friend's baby brother

58 pages· 4,761 words· Est. 53 min read
3.9 Goodreads · 5,581 ratings
$6.99Save 4%
Paperback
Summary: Cam Jansen, with her photographic memory, witnesses a jewelry store heist at the mall. The police arrest the wrong suspect, leaving Cam and her friend Eric to solve the mystery. Can Cam's keen eye and quick thinking uncover the true thief before it's too late? Dive into this thrilling adventure where every detail counts, and justice hangs in the balance. Perfect for young readers transitioning to chapter books, this story promises excitement and a clever heroine who never backs down from a challenge.
The Castle Crime
Sale price
$674
Chapter Book · Ages 6–9 · 2014

The Castle Crime

Three kids race to solve the mystery of stolen royal jewels in London.

144 pages· 13,082 words· Est. 2.5 hour read
4.3 Goodreads · 689 ratings
$6.99Save 4%
Paperback
Summary: Dink, Josh, and Ruth Rose are on a thrilling London adventure when Queen Elizabeth's jewels vanish near Windsor Castle. As tourists, they dive into the mystery, determined to uncover clues Scotland Yard might have missed. Can these young detectives from Green Lawn crack the case and find the missing treasures? With hidden messages and unexpected twists, their sleuthing skills are put to the ultimate test. Join them as they explore iconic landmarks and unravel a royal mystery that could change everything.
The Halloween Hoax
Sale price
$574
Chapter Book · Ages 6–9 · 2007

The Halloween Hoax

Is the TV studio haunted or just Halloween jitters?

96 pages· 10,099 words· Est. 2 hour read
4.1 Goodreads · 561 ratings
$5.99Save 4%
Paperback
Summary: Nancy and the Clue Crew are thrilled to visit the TV studio of their favorite Halloween special. But eerie noises and lurking shadows suggest something supernatural. Is it just Halloween jitters, or is the studio truly haunted? As the mystery deepens, the girls must uncover the truth before the night is over. Can they solve the spooky puzzle, or will the ghosts of the studio remain a mystery?
Treasure Trouble
Sale price
$574
Chapter Book · Ages 6–9 · 2009

Treasure Trouble

A treasure chest vanishes at a pirate party. Can the Clue Crew solve it?

112 pages· 11,088 words· Est. 2 hour read
4.0 Goodreads · 277 ratings
$5.99Save 4%
Paperback
Summary: Nancy, George, and Bess are at Barnacle Beach for a pirate-themed party when the treasure chest of favors disappears. With a mysterious map in hand, the Clue Crew races against time to find the missing loot before the celebration is ruined. Meanwhile, a rival sleuthing club emerges, challenging Nancy and her friends to solve the case first. Will the Clue Crew outsmart their competition and save the day, or will the treasure remain lost forever?
Encyclopedia Brown, Super Sleuth
Sale price
$674
Chapter Book · Ages 8–12 · 2009

Encyclopedia Brown, Super Sleuth

A boy detective solves various cases in his neighborhood.

96 pages· 9,925 words· Est. 1.5 hour read
4.1 Goodreads · 833 ratings
$6.99Save 4%
Paperback
Summary: Encyclopedia Brown, the young detective with a knack for trivia, is back to protect Idaville from swindlers and thieves. With his detective agency, he tackles ten perplexing mysteries, including a stolen watch and a headless ghost. Each case presents clues for readers to solve alongside him. As he helps his police chief father crack the toughest cases, can you match wits with this brainy crime-stopper? Dive into these interactive adventures and see if you can unravel the mysteries before Encyclopedia does.
Encyclopedia Brown Finds the Clues
Sale price
$674
Chapter Book · Ages 8–12 · 1966

Encyclopedia Brown Finds the Clues

A young detective solves neighborhood mysteries and aids his police chief dad.

96 pages· 9,716 words· Est. 1.5 hour read
4.0 Goodreads · 3,338 ratings
$6.99Save 4%
Paperback
Summary: Ten-year-old detective Encyclopedia Brown uses his trivia skills to crack neighborhood mysteries and assist his police chief father with baffling cases. Can you solve the puzzles alongside him?
Encyclopedia Brown Takes the Case
Sale price
$674
Chapter Book · Ages 8–12 · 1973

Encyclopedia Brown Takes the Case

A young detective solves baffling mysteries with his trivia skills.

96 pages· 8,427 words· Est. 1 hour read
4.0 Goodreads · 1,748 ratings
$6.99Save 4%
Paperback
Summary: Meet Encyclopedia, a ten-year-old detective with a knack for trivia. By day, he runs a detective agency for neighborhood kids. By night, he helps his police chief dad crack the town's toughest cases. Each book presents ten perplexing mysteries, inviting readers to solve them alongside Encyclopedia. Can you match wits with this young sleuth and uncover the truth?
Encyclopedia Brown Solves Them All
Sale price
$674
Chapter Book · Ages 8–12 · 1968

Encyclopedia Brown Solves Them All

A young detective tackles baffling mysteries with wit and trivia.

96 pages· 9,308 words· Est. 1.5 hour read
4.0 Goodreads · 3,544 ratings
$6.99Save 4%
Paperback
Summary: Ten-year-old detective Encyclopedia Brown uses his trivia skills to solve neighborhood mysteries and help his police chief dad crack tough cases. Can you solve them before he does? Dive into the puzzles!
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Kids Solving Mysteries Chapter Books & Middle Grade

Longer stories about kids solving mysteries for developing and independent readers.