A nice, somewhat idiosyncratic, history book. The author focuses on the things that he personally is most interested in, which gives a different take than a typical book about the middle ages. He talks a lot about daily life and the things we know about that, in particular. On top of that, his style is very good.
His general theme, to the extent that the book has one, is mainly that the middle ages weren't quite as barbaric as they are generally made out to be, and I think he argues that case pretty well.
He also has a fair bit to say, in asides, about the conduct of archaeology in Britain today. This is not something I really care much about, but had some interesting tidbits in there.