70 books • 36 series
Book #8: SUDOKU 200 Challenging Puzzles with Answers Book 8
Book #12: SUDOKU Puzzle 200 Challenging Puzzles with Answers Book 12
Book #14: SUDOKU Puzzle 200 Challenging Puzzles with Answers Book 14
Book #15: SUDOKU Puzzle 200 Challenging Puzzles with Answers Book 15
Book #16: SUDOKU Puzzle 200 Challenging Puzzles with Answers Book 16
Book #19: SUDOKU-Puzzle-200
Book #10: SUDOKU Puzzle 200 Challenging Puzzles with Answers Book 10
Book #5: Sudoku_ Puzzle_ Book_ Volume_ 5
Book #7: Sudoku Puzzle Book 7 200 Challenging Puzzles with Answers
Book #9: SUDOKU Puzzle Book 9 200 Challenging Puzzles with Anwers
Book #1: Times Ultimate Mind Games Book Killer Su doku Over 300 Puzzles Book 1