Book Details
A set of activity cards to unleash the inner code-breaker in all of us. It contains a combination of codes such as Semaphore and Morse code, as well as historical codes including the 'Grid code' used in the American Civil War and Ancient Egyptian hieroglyphics and traditional codes such as number replacement and alphabet switching codes.
Read more - Author Emily Bone
- ISBN13 9780746089125
- ISBN10 0746089120
- Pages 50
- Published 2008
- Fecha de publicación 29/02/2008
- Language German, French
Reviews and ratings
50 Secret codes (German, French)
- By
- Emily Bone
- 9780746089125



