Publisher's Synopsis
100 Brain-Crunchingly Difficult Sudoku Puzzles
Challenge your mind and take a break from daily worries to get into an almost meditative state while you rack your brain as you successfully solve these puzzles.
Exercise your brain just as you (know you should) exercise your body, and reap the benefits of puzzle solving
- improve your memory
- practice working through problems logically
- increase your powers of concentration
- the satisfaction of completing difficult puzzles successfully
- reduce your chances of developing dementia or Alzheimers disease in the future
Perfect stocking stuffer or birthday gift for the puzzle fanatics in your family, friend, and coworker circle.
