1 - 2 of 2 results for "Janet Beissinger"

Title: The Cryptoclub: Using Mathematics to Make and Break Secret Codes / Edition 1, Author: Janet Beissinger
Paperback $43.47 $47.95 Current price is $43.47, Original price is $47.95.
Title: The Cryptoclub Workbook: Using Mathematics to Make and Break Secret Codes / Edition 1, Author: Janet Beissinger
Paperback $22.33 $24.95 Current price is $22.33, Original price is $24.95.