Codeword puzzles are simple to play and utterly addictive. If you enjoy cracking codes this puzzle book is for you! The letters of the alphabet are hidden in a unique code. Each letter of the alphabet is represented by a random number from 1 through 26. Some letters are provided. With logic and deductive reasoning figure out the rest of the letters and fill in the puzzle grid. Contains 162 puzzles. Answers found in the back of the book. Spiral bound 192 pages.