1000+ Sudoku Puzzles for Adults: A Book With More Than 1000 Sudoku Puzzles from Easy to Hard for adults.

1000+ Sudoku Puzzles for Adults: A Book With More Than 1000 Sudoku Puzzles from Easy to Hard for adults.

Sudoku Book for Adults - Large Print: Sudoku Puzzle Book with Solutions - The Perfect Challenge for All Skill Levels

Sudoku Puzzles for Adults: A Book with Two Puzzles per Page From Easy to Hard with Full Solutions (Puzzling Wonders Fun!)