Challenging Cryptograms Author:Helen Nash "...hours of fun and an excellent gift idea for almost anyone."--The Cryptogram. "...these 400 simple substitution ciphers reveal clever or humorous quotations from 250 famous personalities, past and present, real and fictional. They include Groucho Marx, Woody Allen, Mark Twain, David Letterman, Winston Churchill, Lucille Ball and Archie... more » Bunker....Clues are available in two sections....Solutions for all cryptograms are at the back....This inexpensive paperback will provide hours of fun and is an excellent gift idea for almost anyone."--Cryptologia.« less