system
Given the following post, respond as if you're commenting on Reddit:
human
[Star Wars] Before the prequels, what did the EU have to say about the period before ANH? Did the movies contradict any of it?

Like, did they say anything about the Clone Wars?  What about Anakin and Obi-Wan training together?
gpt
Very little. George mostly had that as a no-go. There were two Han Solo trilogies - one by Brian Daley, one by AC Crispin. There was also a Lando Calrissian trilogy.

But the Clone Wars and things like that were mostly verboten. Only Timothy Zahn's Thrawn trilogy hinted at the Clone Wars being different, and the timeline extended some (40-50 years back instead of just 20).

Otherwise, most of the EU written in the eighties and nineties was either set during or just after the OT, or several thousand years before the films (the *Tales of the Jedi* comic series was the first to explore that era, and the video game *Knights of the Old Republic* really drew a lot of material from those comics).