Andrii Pitenko

200 Friends of the Nambriks - Very Hard - (Pitstop Doku, #4)

Classic Sudoku 12 X 12 and His 200 Friends - X Diagonal - Very Hard - (Pitstop Doku, #5)

Hidoku-Doku 15 X 15 and His 200 Friends. (Pitstop Doku, #3)

Brickwalldoku and His Friends - Very Hard Level Puzzles (Pitstop Doku, #2)

Brickwalldoku - Cool Sudoku - 250 Logical Puzzles

3 Samurai - Best Sudoku - 250 X Diagonal Puzzles (Samurai - Pitstop, #1)

3 Samurai - Best Sudoku - 250 Anti-Diagonal Puzzles

Excellent Puzzles and Sudoku - Gold Level - Champion Height - Vol. 33 (Pitstop Gold, #33)

200 Mega Samurai + 50 Schicacu 15 X 15 Sudoku (Easy+medium+hard+very Hard Puzzles., #1)

Others and Samurai - Gold Level - 250 Champion Puzzles Sudoku - Vol. 32 (Pitstop Gold, #32)

200 Mega Samurai + 50 Cacuro 12 X 12 Sudoku (Easy+medium+hard+very Hard Puzzles., #2)

Samurai and Others - Gold Level - 250 Champion Puzzles Sudoku - Vol. 31 (Pitstop Gold, #31)

Trestlegdoku - 250 Logical Puzzles

Numbriks 4 X 4 - Children - 250 Logical Puzzles - Bronze + Silver + Gold

Numbriks 8 X 8 - 250 Logical Puzzles - Bronze + Silver + Gold

Numbriks 10x 10 - 250 Logical Puzzles - Bronze + Silver + Gold

Numbriks 9 X 9 - 250 Logical Puzzles - Bronze + Silver + Gold

Numbriks 6 X 6 - 250 Logical Puzzles - Bronze + Silver + Gold

Numbriks 5 X 5 - Children - 250 Logical Puzzles - Bronze + Silver + Gold

Numbriks 7 X 7 - 250 Logical Puzzles - Bronze + Silver + Gold

Numbriks 11 X 11 - 250 Logical Puzzle - Bronze + Silver + Gold

Numbriks 14 X 14 - 250 Logical Puzzle - Bronze + Silver + Gold

Numbriks 15 X 15 - 250 Logical Puzzles - Bronze + Silver + Gold

Numbriks 13 X 13 - 250 Logical Puzzles - Bronze + Silver + Gold