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Originally posted by: Luke Skywalker
my opinion is he wrote ANH realized how much of a success it was... then wrote ESB, got more money and figured hell, why not make another, hence ROTJ.
I agree to a degree. He wrote ANH and saw what a success it was and then wrote ESB and ROTJ together. How could he have risked writing ESB with the ending that it had and, if it wasn't successful, he winds up with a story line that is dangling at the end. ESB and ROTJ were written together. I'm sure he had the idea of making this a series from the get go. But I doubt he had the story dreamed up. Just a rough outline, at best.