Lucas didn't want anyone else to take over the franchise…
Speaking to us in May 2008, Lucas made it very clear that he didn't want anyone else in charge of his baby.
"I've left pretty explicit instructions for there not to be any more features. There will definitely be no Episodes VII–IX. That's because there isn't any story. I mean, I never thought of anything.
"And now there have been novels about the events after Episode VI, which isn't at all what I would have done with it. The Star Wars story is really the tragedy of Darth Vader. That is the story. Once Vader dies, he doesn't come back to life, the Emperor doesn't get cloned and Luke doesn't get married..."