Codes and Ciphers

By (author): "Sarah Dixon, Radhi Parekh, Mark Fowler"
Genres:Puzzles books  
Publish Date: September 1st 1992
Codes and Ciphers
ISBN0746006756
ISBN139780746006757
AsinCodes and Ciphers
Original titleCodes and Ciphers
SeriesUsborne Superpuzzles
Perplexing superpuzzles for serious puzzle fanatics and super-solvers everywhere