It’s not enough to deliver a satisfying series finale to a beloved televison show. Modern fandom demands more than that, so after a few days of “decompression” following the Coke-and-a-smile ending to seven seasons of Mad Men, Matthew Weiner sat down with author friend A.M. Homes to explain to a packed house at the New York Public Library who wanted to know, “Is that all there is?” It was the creator’s first—and currently only scheduled—public event to discuss the finale and 91 other episodes of Don Draper and the 1960s advertising scene.