Now color adds a new dimension to Mensa puzzles. This collection of over 400 puzzles -- riddles, word puzzles, number problems, general knowledge quizzes, logic tests, visual and spatial posers, pattern recognition brainteaser, color analysis trials and lateral thinking puzzles -- is enough to keep the best occupied and challenged. The Mensa All-Color Puzzle Book 1 is perfect for puzzle junkies. Progressing in degree of difficulty from easy to medium...