I was so looking forward to reading this after reading all the other Baxter Xeelee books, and I purposely saved it since Vacuum Diagrams was my favorite and the first one I read. I still haven't read Timelike Infinity but it's on the way in the Xeelee omnibus I ordered. Anyway, even though most of the stories weren't up to the level of the VD ones they are still far superior to most Sci Fi writers today. 'In the Un-Black' may be the most awesome story Baxter has ever written, quite a morality tale, it didn't leave me for days. Think of the way 'Cilia of Gold' hit you at the end of that story and then make it human. Something like that. Still, even though it wasn't another 'Vacuum Diagrams' and some of the stories seem written just to fill in some history, I love it.