With these two all-new volumes, Japan's puzzle master supreme presents a cornucopia of never-before-seen ultimate logic games. Along with a number of his original O'Ekaki puzzles, Nishio has assembled a medley of mazes and puzzles so entertaining, gamers may never want to put their pencils down! For a professional gaming guru like Tetsuya, Sudoku is only the tip of the iceberg. He obsesses over devising crafty games to twist brains and stretch the realms of logic, taking tremendous pleasure in testing gamers with his cunning concoctions!