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 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 Lies are the individual that bind the savage mortar man into the socialmasonry. --H.G. Wells* What is 1/2 of 2/3 of 3/5 of 240 divided by 1/2?From the deliciously tantalizing to the devilishly difficult, these puzzles all have one thing in they are thought-provoking and fun to solve.