Charge up the brain cells and rev up the mental engines, because you're going to need all your thinking power to solve the WORLD'S MOST PERPLEXING PUZZLES. Here is head-breaking fun with word and math problems, rebuses, matchstick puzzles, visual dilemmas, and other challenges. Plenty of outrageous illustrations add to the fun, and whenever you hit a dead end, you can sneak a peek at the answers in the back of the book.