In this introductory book, kids will learn the most basic of codes and ciphers. 30 introductory puzzles are included for them to crack. Additional cryptograms are included at the end as a bonus, these may require adult assistance.

Outside equipment will be needed to fully utilize this book. At a minimum, a pencil will be needed, but other items are recommended within the book. If you have bought the ebook, you will additionally need paper, preferable lined or graph paper.

These puzzles are aimed at children ages 8-13. These codes require a good grasp of the alphabet and word recognition. They will not be able to be solved by younger children who cannot read well yet without assistance.

Most codes are inspirational or contain snippets of the history of cryptography.