946 books • 127 series
Mega Sudoku X - 200 Easy Puzzles 16x16 Vol.1 (Mega Sudoku X, #1)
Mega Sudoku X - 200 Normal to Hard Puzzles 16x16 Vol.6 (Mega Sudoku X, #6)
Mega Sudoku X - 200 Hard Puzzles 16x16 Vol.3 (Mega Sudoku X, #3)
Mega Sudoku X - 200 Easy to Normal Puzzles 16x16 Vol.5 (Mega Sudoku X, #5)
Killer Sudoku - 200 Easy to Normal Puzzles 9x9 Vol.1 (Killer Sudoku, #1)
Killer Sudoku - 200 Easy to Normal Puzzles 12x12 Vol.3 (Killer Sudoku, #3)
Killer Sudoku - 400 Easy Puzzles 6x6 Vol.5 (Killer Sudoku, #5)
Killer Sudoku - 200 Hard to Master Puzzles 12x12 Vol.4 (Killer Sudoku, #4)
Killer Sudoku - 200 Hard to Master Puzzles 9x9 Vol.2 (Killer Sudoku, #2)
Killer Sudoku - 400 Master Puzzles 6x6 Vol.8 (Killer Sudoku, #8)
Killer Sudoku - 400 Normal Puzzles 6x6 Vol.6 (Killer Sudoku, #6)
Killer Sudoku - 400 Hard Puzzles 6x6 Vol.7 (Killer Sudoku, #7)
Hitori Puzzles - 200 Puzzles 10x10 Vol.3 (Hitori Puzzles, #3)
Hitori Puzzles - 200 Puzzles 8x8 Vol.1 (Hitori Puzzles, #1)
Hitori Puzzles - 200 Puzzles 11x11 Vol.4 (Hitori Puzzles, #4)
Hitori Puzzles - 400 Puzzles 7x7 Vol.8 (Hitori Puzzles, #8)
Hitori Puzzles - 200 Puzzles 12x12 Vol.5 (Hitori Puzzles, #5)
Hitori Puzzles - 400 Puzzles 5x5 Vol.6 (Hitori Puzzles, #6)
Hitori Puzzles - 400 Puzzles 6x6 Vol.7 (Hitori Puzzles, #7)
Hitori Puzzles - 200 Puzzles 9x9 Vol.2 (Hitori Puzzles, #2)
Hidoku Puzzles - 200 Easy to Normal Puzzles 9x9 Vol.1 (Hidoku Puzzles, #1)
Hidoku Puzzles - 400 Easy to Normal 12x12 Vol.7 (Hidoku Puzzles, #7)
Hidoku Puzzles - 200 Normal to Hard Puzzles 9x9 Vol.2 (Hidoku Puzzles, #2)
Hidoku Puzzles - 200 Easy to Master Puzzles 10x10 Vol.4 (Hidoku Puzzles, #4)