Title: Samurai Sudoku - 250 Anti Diagonal Puzzles - Bronze - 9 X 9 X 5: This Will Help You Relax, Author: Andrii Pitenko
Title: Samurai Sudoku - 250 Anti Diagonal Puzzles - Silver - 9 X 9 X 5: Sudoku Samurai - Time-Tested, Author: Andrii Pitenko
Title: Samurai Sudoku - 250 Anti Diagonal Puzzles - Gold - 9 X 9 X 5: Find the Secret of Puzzles, Author: Andrii Pitenko