WWill Shortz Presents Summertime SudokuWill Shortz Presents Summertime Sudokude Will ShortzMateriasSudokuCrossword puzzlesEdiciones (1)Will Shortz Presents Summertime Sudoku (2011)St. Martin's Press · inglés · ISBN 9780312588441Más obras de Will ShortzThe New York Times Backyard Crossword Puzzles