Jigsaw Sudoku Variants: 5 different types of irregular sudoku puzzles for adults (easy to hard) Paperback $9.16
500 Sudoku Variants Medium Level: Jigsaw Sudoku, Sudoku X, Windoku, Girandola, and Argyle Sudoku Paperback $9.22
Japanese Logic Puzzles: Different types of logic puzzles (Sudoku, Futoshiki, Hashi, Nonogram and more!) Paperback $9.49
450 Sudoku Variants: Jigsaw-Sudoku, Sudoku-X, Windoku, Girandola-Sudoku, and Argyle-Sudoku Puzzles Paperback $9.14
