5500 Killer Sudoku500 Killer Sudokude Tim PorterEdiciones (1)500 Killer Sudoku (2019)Independently Published · inglés · ISBN 9781678901042Más obras de Tim PorterPParadise =Paradise =BBig Book of Jigsaw SudokuBig Book of Jigsaw SudokuBBig Book of SudokuBig Book of Sudoku