Publisher's Synopsis
Improve your intellectual flexibility and ability to problem-solve in all facets of life with 90 conundrums that include word and math puzzles, visual dilemmas, codes to crack, patterns and series to complete, analytical reasoning tests, probabilities, and more. You don?t need any special skills or talents to find the answers, just a little imagination, perseverance, patience, and maybe an occasional hint. And you?ll find, to your great pleasure, that the more you do, the better you?ll get.