It's puzzle nirvana for crossword lovers who have just a few minutes to spare, but still crave a challenge. Adapted from the popular Mensa 10-Minute Crossword Puzzles Page-A-Day Calendar , Mensa 10-Minute Crossword Puzzles strikes a perfect balance: The puzzles are tough enough to be sanctioned by Mensa, the internationally famous high-IQ society, but are designed to be solvable in ten minutes or less. Expertly written by puzzle master Fred Piscop,...