10 X 10 Pitstop
10 primary works
Book 2
Book 7
Book 9
Book 10
Killer Sudoku X Diagonal - 10 X 10 - 250 Puzzles - Level Bronze
by Andrii Pitenko
Book 11
Killer Sudoku X Diagonal - 10 X 10 - 250 Puzzles - Level Silver
by Andrii Pitenko
Book 12
Killer Sudoku X Diagonal - 10 X 10 - 250 Puzzles - Level Gold
by Andrii Pitenko
Book 14
Killer Sudoku - Anti - Knight - X Diagonal 10 X 10 - 250 Puzzles - Level Silver
by Andrii Pitenko
Book 15
Killer Sudoku - Anti-Knight - X Diagonal. 10 X 10. 250 Puzzles - Level Gold
by Andrii Pitenko
Book 16
Killer Sudoku - Hermit - X Diagonal - 10 X 10 - 250 Puzzles - Level Bronze
by Andrii Pitenko
Book 18