These are think-out-of-the-box brainbusters, lots of fun for anyone who enjoys a challenge. Some of the situations presented may seem really strange, and almost impossible to solve, but once the obvious assumptions are discarded, the answers begin to come into focus., Brain-Busting Lateral Thinking Puzzles, Paul Sloane & Des Machale, 9781402712494, Sterling Publishing, Logic, Brain Teasers Book, Puzzles book, Sharp Brain Book,