For the real crossword nut, this calendar offers hundreds of crossword challenges that are tough enough to be sanctioned by Mensa, the internationally famous high-IQ society, but designed to be solvable in just ten minutes. Created by Fred Piscop, a Mensa member and veteran crossword writer for "The New York Times" and "The Washington Post," these puzzles are perfect with a morning cup of coffee-a quick, stimulating, and satisfying daily fix for the crossword lover.