511 books • 54 series
Master of Puzzles - Jigsaw Sudoku 400 Easy to Master Puzzles 10x10 vol.10 (Jigsaw Sudoku, #10)
Master of Puzzles - Jigsaw Sudoku 400 Easy to Master Puzzles 9x9 vol.9 (Jigsaw Sudoku, #9)
Master of Puzzles - Jigsaw Killer Sudoku 200 Medium Puzzles vol.2 (Jigsaw Killer Sudoku, #2)
Master of Puzzles - Jigsaw Killer Sudoku 200 Master Puzzles vol.4 (Jigsaw Killer Sudoku, #4)
Master of Puzzles - Jigsaw Killer Sudoku 200 Easy Puzzles vol.1 (Jigsaw Killer Sudoku, #1)