520 books • 20 series
Sudoku 6 X 6 - 250 Killer Puzzles - Anti - Knight - Gold
Sudoku 6 X 6 - 250 Killer Puzzles - Anti - Knight - Silver (6 X 6 Pitstop, #8)
Sudoku 6 X 6 - 250 Killer Puzzles - Diagonal - Bronze (6 X 6 Pitstop, #4)
Sudoku 6 X 6 - 250 Killer Puzzles - Diagonal - Silver (6 X 6 Pitstop, #5)
Sudoku 6 X 6 - 250 Killer Puzzles - Diagonal - Gold (6 X 6 Pitstop, #6)
Sudoku 6 X 6 - 250 Diagonal Puzzles - Silver
Sudoku 6 x 6 - 250 Diagonal Puzzles - Bronze (6 X 6 Pitstop, #1)
Sudoku 6 X 6 - 250 Diagonal Puzzles - Gold (6 X 6 Pitstop, #3)
Sudoku 6 X 6 - 250 Killer Puzzles - Anti - Knight - Bronze (6 X 6 Pitstop, #7)
Samurai Sudoku - 250 Anti Diagonal Puzzles - Silver - 9 X 9 X 5
Samurai Sudoku - 250 Anti Diagonal Puzzles - Gold - 9 X 9 X 5
Samurai Sudoku - 250 Anti Diagonal Puzzles - Bronze - 9 X 9 X 5
Samurai Sudoku - 250 Diagonal Puzzles - Gold - 9 X 9 X 5
Samurai Sudoku - 250 Diagonal Puzzles - Silver - 9 x 9 x 5 (Samurai Sudoku Pitstop, #2)
Samurai Sudoku - 250 Diagonal Puzzles - Bronze - 9 X 9 X 5 (Samurai Sudoku, #1)
Killer Sudoku X Diagonal. 250 Level Puzzles Gold. (Killer Sudoku Pitstop, #3)
Killer Sudoku X. Sudoku Diagonal. Silver. (Killer Sudoku Pitstop, #2)
Killer Sudoku X. Sudoku Diagonal. Bronze. (Killer Sudoku Pitstop, #1)
Maximum Convenient Sudoku Pitstop. 208 Easy Puzzle. (Pitstop, #14)
Maximum Convenient Sudoku Pitstop. (Pitstop, #12)
Mini Chaos Sudoku Pitstop. 240 Random Puzzles. (Pitstop, #11)
Attention. Mini Sudoku Pitstop. 230 Very Hard Puzzles. (Pitstop, #10)
Mini Sudoku Pitstop. 221 Hard Puzzles (Pitstop, #9)
Mini Sudoku Pitstop. 220 Medium Puzzles (Pitstop, #8)