I am some distance into Einstein in Berlin, an entwined parallel history of Einstein's scientifically formative years and the city in which he spent a good portion of them. The book in concept is intriguing - tell the story of Germany's revolution between the world wars through the lens of Einstein's science. And tell the story of Einstein's science through the lens of Germany's revolution between the world wars.

It's ambitious and intriguing conceptually and a little uneven in execution thus far, but as I don't know enough about either subject, and because I am intrigued by the author's attempt at a rather difficult bookish entwining, I'm sticking with it.