Thanks for the suggestions so far. Thunderstruck and The Historian look very much like I might like them, so I will probably buy them. I'll have a second look on Galileo's Daughter. I've already seen the movie A Beautiful Mind, so I'm not sure if I want to read the book (I prefer reading the book first), but I might reconsider.
Furthermore I downloaded The Brushwood Boy and will read it in the next few days.