An obsessive collection of 1,000 challenges, puzzles, riddles, illusions -- originals as well as must-do classics -- it's like salted peanuts for the brain. Jam-packed on the page and illustrated throughout in full-color, with a visual for each entry, the book, opened anywhere, is like a call to action. An easy-to-read key at the top of each game ranks its difficulty on a scale of I to 10. The lie-flat spiral binding makes the hefty book completely reader-friendly. So do the answers in the back. Paperback, 400 pages.
