Contains over one hundred puzzles and problems to solve, ranging in difficulty from relatively simple to complex, and includes an answer key.

"An imaginative collection of 300 simple substitution ciphers with word divisions, based on the sayings of 30 of the world's greatest thinkers, writers and phil

"A collection of 400 witty or humorous quotations along with their authors' names...have been enciphered into simple substitution ciphers with retained word div

Features strings of code for solving cryptograms. This title contains cryptograms that feature quotes by some of the most famous, articulate people in the world

Get ready--because the world's oldest puzzle organization is about to put your wits to the test! All of the cryptograms here are meant for the sharp of mind and