Genius Sudoku (Uncle John's Bathroom Puzzler) : The Sudoku craze has swept the world, and this latest entry in the Uncle John's puzzle library brings readers more than 200 challenging, brain-burning Sudokus. Designed for experienced puzzlers, it's divided into three sections - medium, challenging, and downright diabolical. No easy puzzles here! And to cool off your sizzling brain, every page features a running foot - those trivia tidbits that 'Bathroom Reader' fans love. So grab a pencil and start puzzling!