At first I was like: Meh, timetravel.
I should have trusted him. Not only does he get it right (all the timey-wimey-stuff. Fantastic.). But the story was so personal (I love Vimes by now) and so moving, I couldn’t put it down. Also: dark. So very very dark (and such a long way from the very fist novel with Rincewind and Twoflower). And intelligent. And wonderful. And warm. And sad. And it’s wonderful to read about the back-story of them all, e.g, Reg and Nobby.
How can someone write so many novels and retain such a quality of work? *worships*