Sum Sudoku Online
Killer Sudoku by Sterling Publishing Co., United States. page x9 inch book containing Sum Sudoku puzzles in easy, medium and hard difficulty. Sudoku - In jeder Spalte, Zeile und jedem Quadrat darf jede Zahl von 1 bis 9 nur einmal vertreten sein. Sum Sudoku is a new brain game created by the author of this book (Claude Ziad Checking availability for Buy Online, Pick up in Store.