Ancient Europe: book recommendations?

I'm very interested in learning about the history of ancient Europe, and I mean that in a very broad sense. Germanic tribes, the various invasions of England, proto-indo-europeans. However, the books I've found have been either too esoteric, presuming that I already know a great deal of specialized knowledge, or wind up being more about the historians and archaeologists responsible for various findings, rather than the findings themselves.

I'm not looking for European history for dummies, but perhaps a good jumping-off point?

"Guns, Germs, and Steel: The Fates of Human Societies" by Jared Diamond. It's a terrific book. Though it is not a historically enriched book, it discuss not only Europe emerged as world power, but world in general. Talks about how some civilizations emerged as world power, and why some declined. It's like a appetizer before historians actually engulf the details. Strongly recommended. Superb, in my opinion.