The CryptoClub materials teach cryptography as an application of mathematics topics from the middle-grade curriculum.
The CryptoClub Cipher Handbook is the centerpiece of the CryptoClub curriculum. It is a student reference and workbook that is recommended for use in informal learning environments such as afterschool and enrichment programs. See the Table of Contents (pdf). 88 pages. $12. Authors: Janet Beissinger and Bonnie Saunders. Available only through the Bookstore of the University of Illinois at Chicago.
The CryptoClub Leader Manual accompanies the CryptoClub Cipher Handbook and helps teachers lead a CryptoClub program. It provides suggestions for teaching, Bookstore of the University of Illinois at Chicago.
The Cryptoclub: Using Mathematics to Make and Break Secret Codes follows the story of the Cryptokids as they teach themselves about cryptography and mathematics. Bookstore of the University of Illinois at Chicago, and other places where books are sold.
CryptoClub Connections to CCSSM (pdf) details connections to the Common Core State Standards for Mathematics(CCSSM).