Download EBOOK Codes and Ciphers PDF for free
Autor: David J. Bodycombe|
Publisher: Sterling Publishing
Publisher date: 3/1/2002
Format: PDF, EPUB
File size: 477 KB
Description of the book "Codes and Ciphers":
Doubly Difficult Challenge To Tax Any Einstein!
Work out what the codes and ciphers in collection are saying before solving the twist to every puzzle.
Carefully constructed to challenge beginner and expert cryptologist alike, this set of puzzles will reveal all if you have determination and a sense of humor.