94 books • 44 series
250 Hoshi Sudoku Puzzles
250 Star Sudoku Puzzles (Star Sudoku, #4)
250 Tridoku Sudoku Puzzles
400 Tridoku Sudoku Puzzles
Nonograms for Beginners (Nonograms for Beginners, #1)
Slash Pack (Slash Pack Books, #2)
Adult Activity Book
Sudoku and Kakuro
Sudoku and Suguru
250 Hidoku Puzzle Book (Hidoku Collection, #17)
250 Numbricks Puzzle Book
Sudoku Puzzle Book 4 (Sudoku Collection, #4)
Hidoku Puzzle Book 11
Hidoku Puzzle Book 9
Hidoku Puzzle Book 12
Hidoku Puzzle Book 13
Hidoku Puzzle Book 14
Hidoku Puzzle Book 8
Hidoku Puzzle Book 7
Hidoku Puzzle Book 10
Hidoku Puzzle Book 2
Hidoku Puzzle Book 3
Hidoku Puzzle Book 4
Hidoku Puzzle Book 5