Sudoku Variants (Sudoku)de Conceptis PuzzlesMateriasSudokuEdiciones (1)Sudoku Variants (Sudoku) (2006)Sterling · inglés · ISBN 9781402741111Más obras de Conceptis PuzzlesPicture That! Mazes.Picturesque Paint-dokuKooky Kakuro PuzzlesAwesome Color Picture Mazes With Colored Pencils