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
What Lies Ahead Robert Kirkman said that after editing "there were certain things that just got left on the cutting room floor". "What Lies Ahead" is an extended premiere, the result of a decision to combine what were originally designed to be the first two episodes of the season. This led to much of the original first episode, titled "Miles Behind Us," to be discarded, and is also the reason that the premiere contains dual credits for both writer and director. "Miles Behind Us," which was written by then-showrunner Frank Darabont and directed by Gwyneth Horder-Payton (an alumnus from the first season), began