Oops! 111 Fantastic Killer Sudoku Puzzles Volume 4: A Must-Try Treasury of Logic Games, with Guide and Answers, from Simple to Difficult, to Exercise your Mind, to Improve your Brain

الوصف

Oops! 111 Fantastic Killer Sudoku Puzzles Volume 4: A Must-Try Treasury of Logic Games, with Guide and Answers, from Simple to Difficult, to Exercise your Mind, to Improve your Brain