Nearly thirty years after the end of the Cold War, its legacy and the accompanying Russian-American tension continues to loom large. Russia’s access to detailed information on the United States and its allies may not seem so shocking in this day of data clouds and leaks, but long before we had satellite imagery of any neighborhood at a finger’s reach, the amount the Soviet government knew about your family’s city, street, and even your home would astonish you. Revealing how this was possible, The Red Atlas is the never-before-told story of the most comprehensive mapping endeavor in history and the surprising maps that resulted.