ISBN-13: 9781539726890 / Angielski / Miękka / 2016 / 184 str.
ISBN-13: 9781539726890 / Angielski / Miękka / 2016 / 184 str.
Sudoku Puzzle Book Series by James Watts. This Book Contains 50 easy, 50 Medium, 50 Hard and 50 Extra-Hard difficulty Sudoku Puzzles with answers, for beginners and experienced Sudoku Puzzlers.