Darth Vader control and sees a cryptic vision of his future as Darth Vader. In the season finale, Anakin and Obi-Wan go on a mission to rescue Palpatine from General Grievous, leading to the opening of "Revenge of the Sith". Series creator and director Genndy Tartakovsky admitted that he was bothered that Lucasfilm declared "Clone Wars" non-canon, but said that he was proud of what he did and how much the microseries and the characters influenced later works. Vader is featured prominently in novels set in the "Star Wars" universe. In the 1978 novel "Splinter of the Mind's Eye" by Alan Dean
Star Wars: Episode III – Revenge of the Sith state to fight a Sith Lord. These are a few examples of many descriptions of characters' feelings and inner narrative. There are even some humorous lines added in, including extra dialogue in the battle between Grievous and Obi Wan - Grievous says, "I was trained by Count Dooku," and Obi-Wan replies, "What a coincidence; I trained the man who killed him." An official prequel novel, "Labyrinth of Evil" () by James Luceno, was published in 2005. It is set near the end of the Clone Wars and directly before the events of "Star Wars: Episode III Revenge of the Sith".