This book is about the 1906 San Francisco earthquake. That being said, except for a few anecdotes, you don’t actually get to the earthquake until you are halfway through the book. That is not a bad thing. I can imagine that some people might be put off by the discussion of Geology and plate tectonics, and history. But I was not. If you are going to talk about the most destructive earthquake that ever hit the United States, I for one, would like to know how it happened, and what came before it, and what came before that. It was not the biggest earthquake ever to hit the United States, but it was the most destructive, especially when you include the fire, which was the direct result of the earthquake. Winchester starts by taking us on a personal journey he made when he decided to traverse the entirety of the North American tectonic Plate from the eastern edge in the middle of Iceland to the western edge in California. Along the way he stops in at sites of famous earthquakes incl...