Peter David is a prolific author whose career, and continued popularity, spans nearly two decades. He has worked in every conceivable media: television, film, books (fiction, non-fiction and audio), short stories and comic books, and acquired followings in all of them. Michael Jan Friedman is an author of nearly sixty books of fiction and nonfiction, more than half of which are in the Star Trek universe. Ten of his titles have appeared on the New York Times Best Seller list. Robert Greenberger is a science fiction writer and co-creator of the Gateways Book series.