Killer Samurai Sudoku: 55 puzzles
Killer Samurai Sudoku 100 puzzles
Second-Degree Brown Belt Kakuro (Martial Arts Puzzles Series)
Killer Samurai Sudoku (Volume 8)
Killer Samurai Sudoku: 101 Samurai
Killer Samurai Sudoku: 100 puzzles
Killer Samurai Sudoku (Volume 7)
Killer Jigsaw Sudoku 2: 101 Samurai