I can't speak for the other authors, but what I hoped to achieve was to illuminate certain corners of the Lucas universe that hadn't yet been explored.
At the same time, new concepts and abstractions flow into the picture, taking up the task of describing the universe without reference to such time or space - abstractions for which our language lacks adequate terms.
My wife is the most awesome person in the universe. She's made this experience much less miserable for me, with her compassion, patience and understanding.
The effort to understand the universe is one of the very few things that lifts human life a little above the level of farce, and gives it some of the grace of tragedy.