Here's some challenging fun--and a great way to test your mental sharpness. With more than 300 pages of stimulating crosswords, word games, math teasers, and logic puzzles, it's a real mind workout. But be warned: doing brain bafflers like these can become an obsession! * Switch the positions of two words in the following nonsense sentence and recreate a quotation by the person named: Lies are the individual that bind the savage mortar man into the...