394 books • 40 series
Samurai Sudoku - 200 Normal to Hard Puzzles vol.2 (Samurai Sudoku, #2)
Samurai Sudoku - 200 Hard to Very Hard Puzzles vol.3 (Samurai Sudoku, #3)
Suguru Puzzles - 400 Easy to Very Hard Puzzles 11x11 vol.6 (Suguru Puzzles, #6)
Suguru Puzzles - 400 Easy to Very Hard Puzzles 10x10 vol.5 (Suguru Puzzles, #5)
Suguru Puzzles - 200 Easy to Normal Puzzles 11x11 vol.3 (Suguru Puzzles, #3)
Suguru Puzzles - 200 Hard to Very Hard Puzzles 11x11 vol.4 (Suguru Puzzles, #4)
Suguru Puzzles - 200 Easy to Normal Puzzles 10x10 vol.1 (Suguru Puzzles, #1)
Suguru Puzzles - 200 Hard to Very Hard Puzzles 10x10 vol.2 (Suguru Puzzles, #2)
Killer Sudoku - 400 Hard Puzzles vol.11 (Killer Sudoku, #11)
Hitori Puzzles - 200 Puzzles 10x10 vol.2 (Hitori Puzzles, #2)
Killer Sudoku - 400 Normal Puzzles vol.10 (Killer Sudoku, #10)
Hitori Puzzles - 200 Puzzles 12x12 vol.4 (Hitori Puzzles, #4)
Killer Sudoku - 400 Easy Puzzles vol.9 (Killer Sudoku, #9)
Killer Sudoku - 400 Very Hard Puzzles vol.12 (Killer Sudoku, #12)
Hitori Puzzles - 200 Puzzles 9x9 vol.1 (Hitori Puzzles, #1)
Hitori Puzzles - 200 Puzzles 11x11 vol.3 (Hitori Puzzles, #3)
Futoshiki Puzzles - 200 Hard to Very Hard Puzzles 9x9 vol.7 (Futoshiki Puzzles, #7)
Binary Puzzles - 400 Easy to Very Hard Puzzles 11x11 vol.10 (Binary Puzzles, #10)
Futoshiki Puzzles - 200 Easy to Normal Puzzles 5x5 vol.1 (Futoshiki Puzzles, #1)
Futoshiki Puzzles - 200 Normal to Hard Puzzles 9x9 vol.6 (Futoshiki Puzzles, #6)
Binary Puzzles - 200 Hard Puzzles 11x11 vol.7 (Binary Puzzles, #7)
Binary Puzzles - 200 Normal Puzzles 10x10 vol.2 (Binary Puzzles, #2)
Binary Puzzles - 400 Easy to Very Hard Puzzles 10x10 vol.9 (Binary Puzzles, #9)
Futoshiki Puzzles - 200 Hard to Very Hard Puzzles 5x5 vol.3 (Futoshiki Puzzles, #3)