It was to have been the first of a three-part Star Wars EU novel, by Robert J. Sawyer. It confirms what a lot (and by that I mean 'I') had always suspected, that all humans in the Star Wars universe are descended from:
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It features a group of humans who commandeer a spacecraft and flee the planet, which is being controlled by AIs. This part is actually a prequel, linking SW to yet another film:
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It probably doesn't fit well with a lot of the EU works, but then again, what does?
Alien Exodus synopsis
Earth
It features a group of humans who commandeer a spacecraft and flee the planet, which is being controlled by AIs. This part is actually a prequel, linking SW to yet another film:
THX-1138
It probably doesn't fit well with a lot of the EU works, but then again, what does?

Alien Exodus synopsis