Related Books
Language: en
Pages:
Pages:
Type: BOOK - Published: 2014-08-20 - Publisher: Spiral Editions
Language: en
Pages: 52
Pages: 52
Type: BOOK - Published: 2016-03-15 - Publisher: Courier Dover Publications
Dozens of intriguing puzzles pose and answer interesting questions based on world history, geography, popular culture, and many other subjects. Alphabet and num
Language: en
Pages: 100
Pages: 100
Type: BOOK - Published: 1984-01-01 - Publisher: Courier Corporation
Explains various methods used in cryptography and presents examples to help readers in breaking secret codes
Language: en
Pages: 86
Pages: 86
Type: BOOK - Published: 2013-05-22 - Publisher: Courier Corporation
Simply and clearly written book, filled with cartoons and easy-to-follow instructions, tells youngsters 8 and up how to break 6 different types of coded message
Language: en
Pages: 52
Pages: 52
Type: BOOK - Published: 2014-08-20 - Publisher: Courier Corporation
Kids love secret codes, and this book offers dozens of intriguing challenges with insights into U.S. history, geography, pop culture, and a host of other subjec