You don't need to be a genius or a professor of mathematics to have hours of fun with this book - just some logical thinking, a little common sense, a bit of general knowledge and the stubbom determination not to be beaten! Pit your wits against Mensa's masterminds with this huge collection of brain teasers. This book contains more than 500 puzzles and tests of all kinds to delight and bamboozle every type of puzzler.

Take the Mensa challenge! These extraordinarily entertaining puzzles can confound even those with high IQs-and that's what makes them such delightfully tricky fun. A few can be solved relatively quickly, but the hardest may seem nearly impossible to crack. Give your skills a real workout on numerical conundrums, word games, lateral thinking problems, and riddles. Brainteasers, arranged in order of difficulty, train the mind and provide a good time all at once. The most complex bafflers include chess, logic, and spatial puzzles. Here's a small sampler of what's inside! � A farmer has twenty sheep, ten pigs, and ten cows. If we call the pigs cows, how many cows will he have? � Which three boys' names are anagrams of one another? Answers: 1. Ten cows. We can call the pigs cows, but that doesn't make them cows. 2. Arnold, Roland, and Ronald.

Here are enough tough puzzles to test your mental powers for hours and hours. Try this never-ending array of puzzles, challenges, funky facts, things to build, weird riddles, and other conundrums. Some are old favorites that never fail to stump, others are totally new, but all promise hours of fun. Every one can be completed with a pencil, pen, or some inexpensive materials around the house. 96 pages, 105 b/w illus., 5 3/8 x 8 1/4.

What kakuro fan could resist this huge collection? Featuring 940 grids in varying levels of difficulty, it has more than enough to satisfy even the most avid enthusiast. Half sudoku, half crossword, language-free kakuro is set to become the next worldwide puzzle phenomenon. The basics are simple: just fill in the empty squares using numbers from 1 to 9 so that the sum of each horizontal set of squares equals the clue on its left, and the sum of each vertical set of squares equals the clue on the top. No number can appear more than once in any sum. An introduction explains all the rules, gives good solving tips, and takes beginners through a sample puzzle.

No fewer than 1001 mind-bending puzzles have been specially created for this book. From quick puzzles that will take a couple of minutes to logic problems that will need hours of work, each puzzle is graded into three levels of difficulty. Attractively presented in full color, the book includes picture puzzles, mazes, math tests, lateral thinking and visual reasoning puzzles, plus spatial problems. This is a cornucopia of conundrums that includes a special selection of tsunami puzzles by a famous japanese puzzle constructor that will have you racking your brain for hours.