Greg Cox has 37 series: Robert Silverberg's Time Tours Books, Iron Man Books, Star Trek: TOS: The Eugenics Wars Books, Star Trek: The Next Generation: The Q Continuum Books, X-Men and The Avengers: Gamma Quest Books, Underworld Books, Fantastic Four Books, Warehouse 13 Books, Leverage Books, The Librarians Books, Planet Of The Apes Books, Dark Knight Trilogy Books, CSI: Crime Scene Investigation Books, DC Comics Novels Books, MonsterVerse Books, Roswell Books, Star Trek: Deep Space Nine Books, Star Trek: The Next Generation Books, Star Trek: TOS Books, Star Trek: TOS (Original) Books, Star Trek: TOS: Legacies Books, Star Trek: Voyager Books, The 4400 Books, Standalone Novels, Non-Fiction Books, Alias Books, Terminator Salvation Books, Marvel Pocket Books Novels, The Avenger Books, Tales of the Slayer Books, Star Trek: Mirror Universe Books, Anthologies, Batman Books, Star Trek: The Next Generation (Numbered) Books, Star Trek: TOS (Numbered) Books, Buffy the Vampire Slayer Books, Buffy The Vampire Slayer: Tales of the Slayer Books. Each series should be read in the order listed on this page.