Books About Codes And Ciphers

The Best Codes And Ciphers Books for Kids

By the Bookroo Editors

Looking for excellent children's books about codes and ciphers? 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 Unbreakable Code
#2 in Series
The Shortlist

Our 4 Favorite Books About Codes And Ciphers

Sale price
$958
Chapter Book · Ages 9–14 · 2017

The Unbreakable Code

By Jennifer Chambliss Bertman · Book #2 in the Book Scavenger series

Can hidden books and a legendary code stop an arsonist's fiery trail?

384 pages· 68,778 words· Est. 7.5 hour read
4.2 Goodreads · 4,683 ratings
$9.99Save 4%
Paperback
Summary: Emily and James are on a thrilling quest to solve a mystery involving hidden books and a legendary code. Each discovery leads to a new fire, and suspicion falls on the enigmatic Mr. Quisling. As the fires spread, the duo must unravel the Unbreakable Code before it's too late. Can they crack the puzzle and stop the arsonist?
Chapter Book · Ages 8–12 · 1931

The Secret of Red Gate Farm

Uncover a conspiracy and stop counterfeiters before it's too late.

178 pages· 32,806 words· Est. 4.5 hour read
3.9 Goodreads · 16,563 ratings
$8.99Save 5%
Hardcover
Summary: Nancy Drew and her friends stumble upon a shadowy conspiracy linked to a counterfeit ring. As they delve deeper, secrets unravel, leading them into a web of danger and deception. Can they solve the mystery before it's too late? This thrilling adventure promises twists and turns that will keep readers on the edge of their seats. Join Nancy as she navigates perilous paths to uncover the truth behind the enigmatic Red Gate Farm.
Chapter Book · Ages 7–9 · 2023

Thea Stilton and the Cave of Stars

By Thea Stilton · Book #36 in the Thea Stilton series

A missing skeleton in New Zealand leads to a thrilling mystery.

176 pages· 12,508 words· Est. 2.5 hour read
4.3 Goodreads · 103 ratings
$8.99Save 5%
Paperback
Summary: Thea Stilton and the Thea Sisters embark on a New Zealand adventure, eager to see the sights with their friend Charlotte. But when Didi, an ancient bird skeleton, vanishes from the museum, their trip turns into a race against time. Can they unravel the mystery and recover the stolen relic before it's lost forever? Join them in a tale of friendship and intrigue, where every clue counts and the stakes are higher than they imagined.
Chapter Book · Ages 8–12 · 2014

Dipper's and Mabel's Guide to Mystery and Nonstop Fun

Discover secrets to outsmart ghosts and crack codes in this quirky guide.

160 pages· 18,145 words· Est. 2.5 hour read
4.3 Goodreads · 3,153 ratings
$12.99Save 4%
Hardcover
Summary: Dive into a world of mystery with Dipper's supernatural tips and Mabel's quirky quizzes. Unravel ghostly secrets haunting your local store and master the art of code-breaking. Packed with humor and activities, this guide promises an adventure filled with laughter and intrigue. Will you uncover the hidden truths?
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