The Mammoth Book of Secret Codes and Cryptograms: Over 600 Mystery Codes to Be Cracked!

ISBN: 0786717262

Author: Elonka Dunin

Condition: New

Fine Book. 5 By 7 3/4", 1 1/2`` Thick. Two creases to spine, No other damage, Da Vinvi style codes and ciphers, Brainteasing Cryptograms, Secret messages, Real Life unsolved codes and scripts.