There are many stories we can tell about the past, and we are not, perhaps, as free as we might imagine in our choice of which stories to tell, or where those stories end. John Arnold's addition to Oxford's popular Very Short Introductions series is a stimulating essay about how people study and understand history. The book begins by inviting us to think about various questions provoked by our investigation of history, and then explores the ways in which these questions have been answered in the past. Such key concepts as causation, interpretation, and periodization are introduced by way of...