Introduction to Codes and Ciphers: Plus 20 Famous Unsolved Codes, Ciphers, and Mysterious Writings. Can You Solve Them?

by Jenny Kile

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...

• Format: Paperback
• Language: English
• ISBN: 1794594655
• ISBN13: 9781794594654
• Release Date: May 2019
• Publisher: Independently Published
• Length: 176 Pages
• Weight: 0.65 lbs.
• Dimensions: 0.4" x 6.0" x 9.0"