... have For Dummies books for that! Consider reading U.S. History For Dummies, 2nd Edition, by Steve Wiegand, U. S. Military History For Dummies by John C. McManus, and The Civil War For Dummies ... life. Spies need fun, too.)In Cracking Codes & Cryptograms For Dummies you can find fun, recreation, challenges for your brain, and information for your mind. The puzzles in this book ... Open the book and find:• Over 350 handcrafted cryptograms and ciphers of varying types• Tips and tricks for cracking even the toughest code • An introduction to the history and relevance...