Pete Sinden
Black Belt Sudoku
Sudoku 2
Sudoku Mania #2
Sudoku Mania #3 (Sudoku Mania)
Summer kakuro
The Essential Book of Japanese Puzzles and How to Solve Them
The Essential Book of Su Doku
The Essential Book of Su Doku, Volume 2
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The Pocket Book of Sudoku
The Ultimate Book of Su Doku 1
The Ultimate Book of Su Doku 2