Introduction to Codes and Ciphers: Plus 20 Famous Unsolved Codes, Ciphers, and Mysterious Writings. Can You Solve Them? (Paperback) (ISBN-13: 9781794594654)

Inside the pages of the book, Introduction to Codes and Ciphers, are numerous ways secrets have been hidden in the past, and how they can be used for today's puzzles, geocaching, armchair treasure hunts, and other forms of entertaining fun.Creativity and imagination are often the best tools for discovering the most covert techniques, but understanding how systems work to transform, conceal, or change what is placed in plain view, for all to see, will open your eyes to the countless possibilities secrets can be hidden right in front of you.Enjoy learning the historical methods, while preparing your mind for the second and third part of the book. There you will find over 20 famous unsolved codes, ciphers, and mysterious writings, and a final challenge puzzle worth $500 cash to the first person who solves it. Treasures await inside.

Author: Jenny Kile
ISBN-10: 1794594655
ISBN-13: 9781794594654
Publisher: Independently Published
Language: English
Published: 05/18/2019
Pages: 176
Format: Paperback
Weight: 0.54lbs
Size: 9.02h x 5.98w x 0.38d