520 books • 20 series
Sudoku 9 X 9 - 250 Even - Odd Puzzles - Anti - Knight - Level Silver (9 X 9 Pitstop, #92)
Sudoku 9 X 9 - 250 Even - Odd Puzzles - Anti - Diagonal - Level Silver (9 X 9 Pitstop, #98)
Sudoku 9 X 9 - 250 Even - Odd Puzzles - Anti - Knight - Level Bronze (9 X 9 Pitstop, #91)
Sudoku 9 X 9 - 250 Next to Each Other - Anti - Diagonal - Level Silver (9 X 9 Pitstop, #83)
Sudoku 9 X 9 - 250 Next to Each Other - Anti - Diagonal - Level Bronze (9 X 9 Pitstop, #82)
Sudoku 9 X 9 - 250 Next to Each Other - Anti - Diagonal - Level Gold (9 X 9 Pitstop, #84)
Sudoku 9 X 9 - 250 Next to Each Other - Anti - Knight Puzzles - Level Silver (9 X 9 Pitstop, #77)
Sudoku 9 X 9 - 250 Next to Each Other - Anti - Knight Puzzles - Level Gold (9 X 9 Pitstop, #78)
Sudoku 9 X 9 - 250 Next to Each Other - Anti - Knight Puzzles - Level Bronze (9 X 9 Pitstop, #76)
Sudoku 9 X 9 - 250 Next to Each Other - Central Points Puzzles - Level Bronze (9 X 9 Pitstop, #70)
Sudoku 9 X 9 - 250 Next to Each Other -Windowdoku Puzzles - Level Bronze (9 X 9 Pitstop, #73)