Harry Potter lives in a world that is both magical and historical. Hogwarts pupils ride an old-fashioned steam train to school, notes are taken on parchment with quill pens, and Muggle legends come to life in the form of werewolves, witches, and magical spells. This book is the first to explore the real history in which Harry's world is rooted.

Did you know that bezoars and mandrakes were fashionable luxury items for centuries?...