Understanding the modern city and the powerful forces within it is the life’s work of Harvard urban economist Edward Glaeser, who at forty is hailed as one of the world’s most exciting urban thinkers. Travelling from city to city, speaking to planners and politicians across the world, he uncovers questions large and small whose answers are both counterintuitive and deeply significant. Should New Orleans be rebuilt? Why can’t my nephew afford an apartment in New York? Is London the new f...