Non-Fiction: The Life of Super-Earths by Dimitar Saddelov

It doesn’t take long for Harvard professor of astronomy Dimitar Saddelov to get down to business in The Life of Super-Earths (Basic Books). The second line in the book: “What is life and how did it come to be?" In a conversational tone, Saddelov sets out to answer that, as well as anyone can. As he points out, “The actual origin of Earth remains as elusive as ever and may well stay that way.