Matching the popular first collection of "Brain Bafflers" (125,000 sold) wasn't easy, but Robert Steinwachs has succeeded in creating one of the most stimulating compilations ever He has whipped up a series of challenges designed to sharpen your wits, increase your knowledge, entertain, and provide hours of solving satisfaction. The mind-boggling and wide-ranging selection includes math, language, and logic conundrums; "impossible" tricks; questions about the world we live in; really cool trivia; and much more. Find number and letter patterns, solve equations, play word games, decipher codes, and figure out mini-whodunits. You'll get a real brain workout