Star Wars: Episode I – The Phantom Menace be told in sequels on the chance that it became successful, so "Star Wars" evolved from the first film in the series to the first episode of the saga's second trilogy. Lucas eventually negotiated a contract that allowed him to make two sequels, and over time had created an elaborate backstory to aid his writing process. While writing "The Empire Strikes Back", Lucas considered directions in which to take the story. In the original trilogy, Darth Vader was revealed to have been Anakin Skywalker, a once-powerful Jedi Knight, and a traitor to the Jedi Order. With this backstory in place,
Star Wars: Shadows of the Empire the job after writing the novelizations of "The Mask" for Bantam, and "Aliens" based upon graphic novels by Dark Horse Comics, which had been licensed by Lucasfilm to create "Star Wars" comics. In addition to the original "Star Wars" trilogy, Perry read the first spin-off novel in the franchise, "Splinter of the Mind's Eye", to get an idea of how to write for Vader. A prequel novel was planned, to be written by author Charles Grant, but was cancelled due to a Lucasfilm Licensing move from Bantam to Del Rey Books. The comic book emphasizes the destiny of Boba Fett