Books About Ciphers

The Best Ciphers Books for Kids

By the Bookroo Editors

Looking for excellent children's books about 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 Forbidden Island
#7 in Series
The Shortlist

Our 1 Favorite Books About Ciphers

Sale price
$958
Chapter Book · Ages 8–12 · 2022

The Forbidden Island

By Trudi Trueit, Scott Plumbe (Illustrator) · Book #7 in the Explorer Academy series

Cruz races against time to unlock a life-altering secret amidst global dangers.

256 pages· 63,708 words· Est. 9 hour read
4.4/5 Goodreads · 633 ratings
$9.99Save 4%
Paperback
Summary: Cruz Coronado faces his greatest challenge yet as he races to complete a crucial cipher. With Nebula agents closing in and his mother's groundbreaking formula at stake, Cruz's journey takes him from Antarctica's icy waters to Argentina's deserts. As he navigates perilous missions and uncovers hidden secrets, Cruz must confront an unexpected twist that could change everything. Will he succeed in his quest, or will the elusive spy thwart his mission? Dive into a world of adventure, innovation, and mystery in this thrilling conclusion to the Explorer Academy series.
The Bookroo Book Club

Great books, picked for their age.

Books worth reading again and again, delivered to your door.

Find their book club
Bookroo book club box

Bookroo

Book Clubs

Follow Bookroo