6 X 6 Pitstop
14 primary works
Book 1
Book 3
Book 4
Book 5
Book 6
Book 7
Sudoku 6 X 6 - 250 Killer Puzzles - Anti - Knight - Bronze
by Andrii Pitenko
Book 8
Sudoku 6 X 6 - 250 Killer Puzzles - Anti - Knight - Silver
by Andrii Pitenko
Book 10
Book 11
Book 12
Book 13
Book 15
Book 35
Sudoku 6 X 6 - 250 Skyscraper Puzzles - Anti - Knight - Silver
by Andrii Pitenko
Book 39