Healthy Brain Book Of IQ PuzzlesKeep Your Mind Fit and Flexible Research has shown that a great way to keep your memory and cognitive skills at their best is to learn challenging new things that require you to think. This puzzle book is perfect for doing just that, since it features a wide variety of IQ type brainteasers to keep solvers on their toes: different types of word games, memory tests, logic puzzles, and math problems, with something new on every page. It's a refreshingly