If you're a Mom, stress is always close by. And to relax, you sometimes just really need a break from your fractured schedule. Introducing "Mommy's Timeout" ... a series of paperback puzzle books (8.5x11, 150+ pages) that'll give you a little quiet time just for yourself. Or maybe sit and solve 'em together with your child. Shikaku (sometimes also spelled sikaku) is a Japanese word meaning rectangle, or square. To solve a shikaku puzzle , divide it into a number of rectangles with each rectangle containing only one of the numbers shown. That number must be equal to the area of the individual rectangle which contains it. Each puzzle has a unique, no-guess solution. Puzzles, according to research, are good for you. They're like body building for your brain. According to researchers... They'll boost your memory Both physical and mental stress levels are reduced Their effect resembles meditation (but without the boredom) They slow development of dementia and Alzheimer's Your problem-solving skills grow Visual-spatial reasoning gets beefed up Your moods become consistently brighter Each book in the 15-volume series gives you 200 puzzles and their solutions. We hope you'll enjoy them, and when you're ready for more of our puzzles, we've got 'em. Just do an Amazon search for MOMMY'S TIMEOUT or PUZZLE PIZZAZZ.