520 books • 20 series
Sudoku 9 X 9 - 250 Skyscraper Puzzles - Hermit - Level Bronze
Sudoku 9 x 9 - 250 Skyscraper Puzzles - Anti - Diagonal - Level Gold
Sudoku 9 X 9 - 250 Skyscraper - Central Points Puzzles - Level Bronze
Sudoku 9 X 9 -250 Skyscraper - Octagonal Star Puzzles - Level Silver
Sudoku 9 X 9 - 250 Skyscraper - Argyll Puzzles - Level Bronze
Sudoku 9 X 9 - 250 Skyscraper - Wheel of Fire Puzzle - Level Bronze
Sudoku 9 X 9 - 250 Skyscraper - Wheel of Fire Puzzles - Level Gold
Sudoku 9 X 9 - 250 Skyscraper - Diagonal Puzzles - Level Gold
Sudoku 9 X 9 - 250 Skyscraper - Octagonal Star Puzzles - Level Bronze
Sudoku 9 X 9 - 250 Skyscraper - Central Points Puzzles - Level Gold
Sudoku 9 X 9 - 250 Skyscraper - Octagonal Star Puzzles - Level Gold
Sudoku 9 X 9 - 250 Skyscraper - Central Points Puzzles - Level Silver
Sudoku 9 X9 - 250 Skyscraper - Argyyl Puzzles - Level Gold
Sudoku 9 X 9 - 250 Skyscraper - Wheel of Fire Puzzles - Level Silver
Sudoku 9 X 9 - 250 Skyscraper - Windowdoku Puzzles - Level Silver
Sudoku 9 X 9 - 250 Skyscraper - Windowdoku Puzzles - Level Bronze
Sudoku 9 x 9 - 250 Skyscraper - Argyll Puzzles - Level Silver
Sudoku 9 X 9 - 250 Skyscraper - Diagonal Puzzles - Level Bronze (9 X 9 Pitstop, #100)
Sudoku 9 X 9 - 250 Skyscraper - Diagonal Puzzles - Level Silver
Sudoku 9 X 9 - 250 Even - Odd Puzzles - Anti - Diagona - Level Bronze (9 X 9 Pitstop, #97)
Sudoku 9 X 9 - 250 Even - Odd Puzzles - Anti - Knight - Level Gold (9 X 9 Pitstop, #93)
Sudoku 9 X 9 - 250 Even - Odd Puzzles - Argyll - Level Gold (9 X 9 Pitstop, #90)
Sudoku 9 X 9 - 250 Even - Odd Puzzles - Anti - Diagonal - Level Gold (9 X 9 Pitstop, #99)
Sudoku 9 X 9 - 250 Even - Odd Puzzles - Hermit - Level Silver (9 X 9 Pitstop, #95)