Logic Puzzles for Adults & Seniors: 500 Medium Puzzles (Sudoku, Shikaka, Masyu, Kuromasu, Jigsaw Sudoku, Slitherlink, Suguru, Skyscrapers, Numbrix, ... and Futoshiki) Book Discussion
Logic Puzzles for Adults & Seniors: 500 Medium Puzzles (Sudoku, Shikaka, Masyu, Kuromasu, Jigsaw Sudoku, Slitherlink, Suguru, Skyscrapers, Numbrix, ... and Futoshiki) (Activity Book Series)
by
