We're giving you the second degree ... in brown-belt kakuro training Go from good to great with these tough puzzles. Complete them all, and you'll be ready to earn your black belt.

Kakuro are language-free number puzzles that use pure logic and require just simple arithmetic to solve. This book contains 150 kakuros. It takes cue from the belt colors in martial arts: white is for novices, green for intermediates, brown for very accomplished players, and black for those consummate experts who crave a challenge.

Kakuro are language-free number puzzles that use pure logic and require just simple arithmetic to solve. This book contains 150 kakuros. It takes cue from the belt colors in martial arts: white is for novices, green for intermediates, brown for very accomplished players, and black for those consummate experts who crave a challenge.

With a separate sudoku book for every level, all puzzle lovers can play this wildly popular, incredibly addictive game that's appearing in major newspapers all over Taking a page from karate--another Japanese art--each title is graded by color: White Belt for easy, Green Belt for medium level, Brown Belt for hard, and Black Belt for the super-tough solvers. And because each book has an amazing 300 puzzles, the fun can go on for hours.

We're giving you the THIRD DEGREE Our first- and second-degree Martial Arts Kakuro books were so incredibly popular that we know people are eager for more So here's the next level of challenge for fans of these addictive conundrums that feature little numbers throughout the grid. Solvers have to fill in the blanks with digits that add up to the little numbers. It's fun, and it stretches your mental muscles, too Looking for something hard to test your smarts? These 150 puzzles will give experienced kakuro solvers a great mental workout.

Kakuro is a puzzle type in which sums are given and solvers must deduce the numbers in the individual boxes. This title is suitable for hardcore kakuro devotees.

When just having a black belt in kakuro isn't enough, step up to the next level These tricky puzzles require the very best skills-and give top solvers the complete mental workout they want.

Spiritual Dimensions of the Martial Arts is a study of the meditative and religious elements that form the core of the great martial arts traditions. Unsurpassed in scope and detail, this martial arts book covers the spiritual beliefs and the practices of the fighting arts of India, China, Korea, Japan, Indonesia, the Philippines, Thailand, Brazil, and the United States. Subjects discussed include: Bruce Lee's unique views on spirituality and meditation Rituals used to induce altered states of consciousness in Indonesian Pencak-Silat The unusual relationship of Korea's Hwarang warriors to Mahayana Buddhism The importance of Buddhist ritual in Muay Thai Spiritual practices in the Filipino martial arts The significance of Zen and esoteric Buddhism to the Samurai The relationship of Indian martial arts to Yoga The impact of Daoist concepts on the Chinese martial arts Psychological development and martial arts training

Looking for something challenging but not impossible, something to bump up your kakuro technique? These medium-hard "green" puzzles are just right for honing intermediate skills.

Are you tough enough? Tkae on this collection of 200 devilishly difficult KenKen puzzles!