Almost Impossible Number Puzzles Author:The Puzzle Society Here is a puzzle book that will have even the masters begging for mercy--and for more.Almost Impossible Number Puzzles has more than 275 puzzles offering a variety of challenges including Sudoku and Kakuro. It's a perfect take-along for brave men and women. CAUTION: Almost Impossible Number Puzzles may strain the brain and induce p... more »leasure.« less