International Standard Serial Number International Standard Serial Number An International Standard Serial Number (ISSN) is an eight-digit serial number used to uniquely identify a serial publication. The ISSN is especially helpful in distinguishing between serials with the same title. ISSN are used in ordering, cataloging, interlibrary loans, and other practices in connection with serial literature. The ISSN system was first drafted as an International Organization for Standardization (ISO) international standard in 1971 and published as ISO 3297 in 1975. ISO subcommittee TC 46/SC 9 is responsible for maintaining the standard. When a serial with the same content is published in more than one media
What Lies Ahead also be seen in the Comic-Con trailer. The original title was seen on early marketing material for the season before the decision was made to "cannibalize" the original premiere into what would become "What Lies Ahead." Following in the tradition established by the pilot, "Miles Behind Us" was taken from the title of the first issue of the second volume of the graphic novel. In the Season 2 DVD commentary, Robert Kirkman and Glen Mazzara described the decision to retool the premiere in such a dramatic way as an amicable decision agreed upon between both the producers and AMC to