Make math fun with amazing brain-teasing puzzles! Hours of enjoyment while developing critical thinking skills. Developing critical thinking skills has never be

Exercise your way to a better, healthier...

Many people start the day with physical exercise but few seem to be so concerned with exercising the most human of organs-the brain. This book provides you with

Designed by three puzzle-book pros and Mensa members, Mind-Melting Conundrums is brimming with almost 100 pages of number stumpers, logic problems, and verbal t

90 Puzzles, Logic Riddles & Brain Teasers to Exercise Your Mind From New York Times bestselling author Dr. Gary Small – an expert on neuroscience, memory, Alz