520 books • 20 series
Sudoku 9 X 9 - 250 Hermit Puzzles - Level Bronze (9 X 9 Pitstop, #22)
Sudoku 9 X 9 - 250 Anti - Diagonal Puzzles - Level Bronze (9 X 9 Pitstop, #25)
Sudoku 9 X 9 - 250 Hermit Puzzles - Level Gold (9 X 9 Pitstop, #24)
Sudoku 9 X 9 - 250 Anti - Knight Puzzles - Level Gold (9 X 9 Pitstop, #21)
Sudoku 9 X 9 - 250 Anti - Diagonal Puzzles - Level Silver (9 X 9 Pitstop, #26)
Sudoku 9 X 9 - 250 Anti - Knight Puzzles - Level Bronze (9 X9 Pitstop, #19)
Sudoku 9 X 9 - 250 Central Points Puzzles - Level Silver (9 X 9 Pitstop, #11)
Sudoku 9 x 9 - 250 Central Points Puzzles - Level Gold (9 X 9 Pitstop, #12)
Sudoku 9 x 9 - 250 Wheel of Fire Puzzles - Level Bronze (9 X 9 Pitstop, #7)
Sudoku 9 X 9 - 250 Central Points Puzzles - Level Bronze (9 X 9 Pitstop, #10)
Sudoku 9 X 9 - 250 Wheel of Fire Puzzles - Level Silver (9 X 9 Pitstop, #8)
Sudoku 9 X 9 - 250 Octagon Star Puzzles - Level Silver (9 X 9 Pitstop, #14)
Sudoku 9 X 9 - 250 Octagon Star Puzzles - Level Bronze (9 X 9 Pitstop, #13)
Sudoku 9 X 9 - 250 Octagonal Star Puzzles - Level Gold (9 X 9 Pitstop, #15)
Sudoku 9 X 9 - 250 Windowdoku Puzzles - Level Bronze (9 X 9 Pitstop, #16)
Sudoku 9 X 9 - 250 Wheel of Fire Puzzles - Level Gold (9 X 9 Pitstop, #9)
Sudoku 9 X 9 - 250 Windowdoku Puzzles - Level Silver (9 X 9 Pitstop, #17)
Sudoku 9 x 9 - 250 Agryll Puzzles - Level Bronze (9 X 9 Pitstop, #4)
Sudoku 9 X 9 - 250 Agryll Puzzles - Level Silver (9 X 9 Pitstop, #5)
Sudoku 9 X 9 - 250 Agryll Puzzles - Level Gold (9 X 9 Pitstop, #6)
Sudoku 9 X 9 - 250 Diagonal Puzzles - Level Bronze (9 X 9 Pitstop, #1)
Sudoku 9 X 9 - 250 Diagonal Puzzles - Level Silver (9 X 9 Pitstop, #2)
Sudoku 9 X 9 - 250 Diagonal Puzzles - Level Gold (9 X 9 Pitstop, #3)
15 x 15 Sudoku - 250 Hermit Puzzles - Level Bronze (15 X 15 Pitstop, #7)