I'm just not terribly into hard science fiction, myself. The Stephen Baxter book I read was, in fact, co-written by Terry Pratchett and was disappointing to me in that it didn't have a lot of what I like in Terry Pratchett in it, so I haven't felt terribly inclined to seek out any more of his work.
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Gillian
"Now everyone was giving her that kind of look UFOlogists get when they suddenly say, 'Hey, if you shade your eyes you can see it is just a flock of geese after all.'"
"You can't erase icing."
"I can't believe it doesn't work! I found it on the internet, man!"