946 books • 127 series
Binary Puzzles - 200 Hard Puzzles 12x12 Vol.15 (Binary, #15)
Suguru Puzzles - 200 Hard Puzzles 6x6 Vol.11 (Suguru, #11)
Chain Sudoku - 200 Master Puzzles 9x9 Vol.20 (Chain Sudoku, #20)
Consecutive Sudoku - 200 Master Puzzles Vol.4 (Consecutive Sudoku, #4)
Consecutive Sudoku - 200 Hard Puzzles Vol.3 (Consecutive Sudoku, #3)
Mega Sudoku - 200 Normal to Hard Puzzles 16x16 Vol.6 (Mega Sudoku, #6)
Consecutive Sudoku - 200 Easy to Normal Puzzles Vol.5 (Consecutive Sudoku, #5)
Chain Sudoku - 200 Easy Puzzles 9x9 Vol.17 (Chain Sudoku, #17)
Mega Sudoku - 400 Easy to Master Puzzles 16x16 Vol.8 (Mega Sudoku, #8)
Consecutive Sudoku - 200 Normal to Hard Puzzles Vol.6 (Consecutive Sudoku, #6)
Consecutive Sudoku - 200 Hard to Master Puzzles Vol.7 (Consecutive Sudoku, #7)
Consecutive Sudoku - 400 Easy to Master Puzzles Vol.8 (Consecutive Sudoku, #8)
Mega Sudoku - 200 Hard to Master Puzzles 16x16 Vol.7 (Mega Sudoku, #7)
Consecutive Sudoku - 200 Normal Puzzles Vol.2 (Consecutive Sudoku, #2)
Consecutive Sudoku - 200 Easy Puzzles Vol.1 (Consecutive Sudoku, #1)
Chain Sudoku - 200 Normal Puzzles 9x9 Vol.18 (Chain Sudoku, #18)
Mega Sudoku - 200 Easy to Normal Puzzles 16x16 Vol.5 (Mega Sudoku, #5)
Chain Sudoku - 200 Hard Puzzles 9x9 Vol.19 (Chain Sudoku, #19)
Chain Sudoku - 200 Hard Puzzles 8x8 Vol.15 (Chain Sudoku, #15)
Chain Sudoku - 200 Master Puzzles 7x7 Vol.12 (Chain Sudoku, #12)
Chain Sudoku - 200 Normal Puzzles 7x7 Vol.10 (Chain Sudoku, #10)
Chain Sudoku - 200 Hard Puzzles 7x7 Vol.11 (Chain Sudoku, #11)
Chain Sudoku - 200 Easy Puzzles 6x6 Vol.5 (Chain Sudoku, #5)
Chain Sudoku - 200 Easy Puzzles 8x8 Vol.13 (Chain Sudoku, #13)