It's mind-boggling . . . It's addictive . . . It's SUDOKU MANIA Solving Sudoku number puzzles demands no mathematical skills. All you need to have is a good sense of logic, a love of game-playing, and a whole lot of patience! If you have not yet discovered Sudoku, you'll be playing like a pro in no time. If you -- like millions of other Americans -- are already hooked on the game, SUDOKU MANIA will provide further hours of challenging fun Blue Belt Puzzles 31-36

Simply and clearly written book, filled with cartoons and easy-to-follow instructions, tells youngsters 8 and up how to break 6 different types of coded messages. Examples and solutions.

Thirty entertaining, challenging mazes: 3-D constructions, directional arrows, designated stops, and more. From easy "No Brainers" to "Full Brain Overload," which might take hours to solve. Includes "hints section."

Forty-two perplexing puzzles by creator of Alice in Wonderland: Cakes in a Row, Looking-Glass Time, Arithmetical Croquet, Diverse Doublets, and others. Hints, solutions. Illustrations by John Tenniel.

Dozens of intriguing puzzles pose and answer interesting questions based on world history, geography, popular culture, and many other subjects. Alphabet and number codes, picture puzzles, and more, suitable for ages 8–11. Solutions.

Treasury of 300 puzzles features 3D and chess puzzles, connections, dissections, foldings, geometrical and number puzzles, logic problems, matchstick puzzles, mazes, moving pieces, put-togethers, strimkos, sudoku, and visual and word puzzles.