PRAISE FOR A.K. DEWDNEY'S PREVIOUS WORKS 200% of Nothing "It is impossible to read this timely, important book without enjoyment and eye-opening enlightment.

"More than 80 puzzles, brainteasers, and creative activities"--Cover.

This book contains scores of intriguing puzzles and paradoxes from Lewis Carroll, the author of Alice in Wonderland, whose interests ranged from inventing new games like Arithmetical Croquet to important problems in symbolic logic and ...

It's much too slow --Adding is the way to go!Make clever groups before you start --Then add them in a way that's smart!MATH FOR ALL SEASONS will challenge every kid -- and every parent -- to open their minds and solve problems in new and ...

Contains over one hundred problems in which reasoning is required to reach the answer, ranging from easy to relatively difficult. Includes solutions.

Bizarre imagination, originality, trickiness, and whimsy characterize puzzles of Sam Loyd, America's greatest puzzler.

We guarantee that you will solve some of these riddles, be stumped by others, and be amused by almost all of the stories and settings that Gardner has devised to raise these questions." --Back cover.

This book of the earliest of Gardner's enormously popular Scientific American columns and puzzles continues to challenge and fascinate readers.