International Standard Book Number in 1965, has – 340 indicating the publisher, 01381 their serial number, and 8 being the check digit. This can be converted to ; the check digit does not need to be re-calculated. Since 1 January 2007, ISBNs have contained 13 digits, a format that is compatible with "Bookland" European Article Number EAN-13s. An ISBN is assigned to each edition and variation (except reprintings) of a book. For example, an ebook, a paperback, and a hardcover edition of the same book would each have a different ISBN. The ISBN is 13 digits long if assigned on or after 1 January
Number 13 (film) her, Alfred Hitchcock's uncle John Hitchcock had also provided funds. Greet's generosity was something the director never forgot, and she appeared in more Hitchcock films than any other performer (other than Leo G. Carroll, who also appeared in six Hitchcock films): "The Ring" (1927), "The Manxman" (1929), "Murder!" (1930), "The Man Who Knew Too Much" (1934), "Sabotage" (1936), and "Jamaica Inn" (1939). Number 13 (film) In 1922, Alfred Hitchcock obtained his first shot at directing for Gainsborough Pictures with the film Number 13 (or Mrs. Peabody). Clare Greet and Ernest Thesiger were to star as husband and wife. The story