In this book you will find 100 cryptogram puzzles of quotes from some famous and not so famous people. Some you will have heard before and others you won't. In a cryptogram puzzle a word, phrase or quote has its letters substituted with other letters. For example, every A might be a T, or every E might be a W, and so on. The letter substitution is consistent through the phrase. It's your task to figure out which letters are which.