556 books • 56 series
Jigsaw Sudoku Puzzles - 400 Hard to Expert vol. 10 (Jigsaw Sudoku, #10)
Puzzles for Brain Suguru - 200 Easy to Medium 8x8 vol. 1 (Suguru, #1)
Puzzles for Brain Shakashaka - 200 Easy to Medium 10x10 vol. 3 (Shakashaka, #3)
Jigsaw Sudoku Puzzles - 400 Easy to Medium vol. 9
Jigsaw Sudoku Puzzles - 400 Easy to Expert vol. 8 (Jigsaw Sudoku, #8)
Samurai Sudoku - Expert 200 vol. 4
Puzzles for Brain Numbricks - 400 Easy to Expert 9x9 vol. 10 (Numbricks, #10)
Puzzles for Brain Numbricks - 200 Hard to Expert 9x9 vol. 7 (Numbricks, #7)
Puzzles for Brain Suguru - 200 Easy to Medium 9x9 vol. 3 (Suguru, #3)
Puzzles for Brain Suguru - 200 Hard to Expert 8x8 vol. 2 (Suguru, #2)
Puzzles for Brain Numbricks - 400 Easy to Expert 10x10 vol. 11 (Numbricks, #11)
Puzzles for Brain Shakashaka - 200 Hard to Expert 10x10 vol. 4 (Shakashaka, #4)
Puzzles for Brain Shakashaka - 200 Hard to Expert 9x9 vol. 2 (Shakashaka, #2)
Puzzles for Brain Numbricks - 200 Easy to Medium 9x9 vol. 6 (Numbricks, #6)
Puzzles for Brain Numbricks - 200 Hard to Expert 10x10 vol. 9 (Numbricks, #9)
Puzzles for Brain Suguru - 200 Hard to Expert 9x9 vol. 4
Puzzles for Brain Shakashaka - 200 Easy to Medium 9x9 vol. 1
Puzzles for Brain Numbricks - 200 Easy to Medium 10x10 vol. 8
CalcuDoku Puzzles - 200 Hard to Expert 9x9 vol. 15 (Calcudoku Puzzles, #15)
Minesweeper Puzzles - 400 Easy to Medium vol. 7 (Minesweeper Puzzles, #7)
Minesweeper Puzzles - 200 Hard to Expert vol. 6
Binary Puzzles - 400 Hard to Expert 9x9 vol. 11 (Binary Puzzles, #11)
Minesweeper Puzzles - 200 Easy to Medium vol. 5 (Minesweeper Puzzles, #5)
Binary Puzzles - 400 Easy to Expert 10x10 vol. 12