Book excerpt: "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 philosophers. In addition to challenging your brain, these cryptograms will provide food for thought with meaningful messages from Einstein, Shaw, Whitman, Disraeli, Gandhi, Santayana and 24 others. Each one is also depicted in an original full-page drawing. Brief tips for solving cryptograms are provided for neophytes, and answers are in the back of the book, if needed."--Cryptologia.