کدها و رمزها

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. Each page is a different puzzle which may be visual, written, or various symbol interpretations which chanllenge the beginner to expert cryptologist Cover Back Cover Title Introduction by Victor Serebriakoff Puzzles Answers About the Author