520 books • 20 series
Killer Sudoku 9 X 9 - 250 Hermit Puzzles - Level Bronze (9 X 9 Pitstop, #46)
Sudoku 15 X 15 - 250 Hermit Puzzles - Level Gold (15 X 15 Pitstop, #9)
Killer Sudoku 9 X 9 -250 Anti - Knight Puzzles - Level Gold (9 X 9 Pitstop, #45)
Killer Sudoku 9 X 9 - 250 Windowdoku Puzzles - Level Bronze (9 X 9 Pitstop, #40)
Killer Sudoku 9 X 9 - 250 Windowdoku Puzzles - Level Silver (9 X 9 Pitstop, #41)
Killer Sudoku 9 X 9 - 250 Windowdoku Puzzles - Level Gold (9 X 9 Pitstop, #42)
Killer Sudoku 9 X 9 - 250 Anti - Knight Puzzles - Level Bronze (9 X 9 Pitstop, #43)
Killer Sudoku 9 X 9 - 250 Anti- Knight Puzzles - Level Silver (9 X 9 Pitstop, #44)
Killer Sudoku 9 X 9 - 250 Argyll Puzzles - Level Gold (9 X 9 Pitstop, #30)
Killer Sudoku 9 X 9 - 250 Argyll Puzzles - Level Silver (9 X 9 Pitstop, #29)
Killer Sudoku 9 X 9 - 250 Central Points Puzzles - Level Bronze (9 X 9 Pitstop, #37)
Killer Sudoku 9 X 9 - 250 Octagonal Star Puzzles - Level Gold (9 X 9 Pitstop, #33)
Killer Sudoku 9 X 9 - 250 Wheel of Fire Puzzles - Level Silver (9 X 9 Pitstop, #35)
Killer Sudoku 9 X 9 - 250 Wheel of Fire Puzzles - Level Bronze (9 X 9 Pitstop, #34)
Killer Sudoku 9 X 9 - 250 Wheel of Fire Puzzles - Level Gold (9 X 9 Pitstop, #36)
Killer Sudoku 9 X 9 - 250 Central Points Puzzles - Level Gold (9 X 9 Pitstop, #39)
Killer Sudoku 9 X 9 - 250 Central Points Puzzles - Level Silver (9 X 9 Pitstop, #38)
Killer Sudoku 9 X 9 - 250 Octagonal Star Puzzles - Level Bronze (9 X 9 Pitstop, #31)
Killer Sudoku 9 X 9 - 250 Octagonal Star Puzzles - Level Silver (9 X 9 Pitstop, #32)
Killer Sudoku 9 X 9 - 250 Argyll Puzzles - Level Bronze (9 X 9 Pitstop, #28)
Sudoku 9 X 9 - 250 Anti - Knight Puzzles - Level Silver (9 X 9 Pitstop, #20)
Sudoku 9 X 9 - 250 Anti - Diagonal Puzzles - Level Gold (9 X 9 Pitstop, #27)
Sudoku 9 X 9 - 250 Hermit Puzzles - Level Silver (9 X 9 Pitstop, #23)
Sudoku 9 X 9 - 250 Windowdoku Puzzles - Level Gold (9 X 9 Pitstop, #18)