520 books • 20 series
15 X 15 Sudoku - 250 Hermit Puzzles - Level Silver (15 X 15 Pitstop, #8)
15 X 15 Sudoku - 250 X Diagonal Puzzles - Level Gold (15 X 15 Pitstop, #3)
15 X 15 Sudoku - 250 Anti - Knight Puzzles - Level Silver (15 X 15 Pitstop, #5)
15 X 15 Sudoku 250 Anti - Knight Puzzles - Level Bronze (15 X 15 Pitstop, #4)
15 X 15 Sudoku - 250 Anti - Knight Puzzles - Level Gold (15 X 15 Pitstop, #6)
15 X 15 Sudoku - 250 X Diagonal Puzzles - Level Bronze
Killer Sudoku - Hermit 12 X 12 -250 Puzzles - Level Silver
Killer Sudoku - Hermit - 12 X 12 - 250 Puzzles - Level Gold
Killer Sudoku - Hermit - 12 X 12 - 250 Puzzles - Level Bronze
Killer Sudoku - Anti - Knight - 12 X 12 - 250 Puzzles - Level Gold
Killer Sudoku X Diagonal - 12 X 12 - 250 Puzzles - Level Bronze
Killer Sudoku - Anti - Knight - 12 X 12 - 250 Puzzles - Level Silver
Killer Sudoku X Diagonal - 12 X 12 - 250 Puzzles - Level Silver
Killer Sudoku X Diagonal - 12 X 12 - 250 Puzzles - Level Gold
Killer Sudoku - Anti - Knight - 12 X 12 - 250 Puzzles - Level Bronze
12 X 12 Sudoku - 250 Hermit Puzzles - Level Gold
Killer Sudoku - Hermit - X Diagonal - 10 X 10 - 250 Puzzles - Level Silver
12 X 12 Sudoku - 250 X Diagonal Puzzles - Bronze
12 X 12 Sudoku - 250 Hermit Puzzles - Level Silver
12 X 12 Sudoku - 250 Anti - Knight Puzzles - Level Bronze
12 X 12 Sudoku - 250 X Diagonal Puzzles - Gold
12 X 12 Sudoku - 250 Anti - Knight Puzzles - Level Gold
12 x 12 Sudoku - 250 Anti - Knight Puzzles - Level Silver (12 X 12 Pitstop, #5)
12 X 12 Sudoku - 250 Hermit Puzzles - Level Bronze