This series uses contemporary posters, images, and eyewitness accounts to examine how people experienced World War II away from the battlefield. It examines not only life on the home front but also what it was like to do military service or to live under enemy occupation, as well as the influence of propaganda and espionage on the course of the conflict. This book describes the essential role played in the conflict by national security. It explores efforts to keep property and civilians safe. It also explores the importance of information—controlling it, protecting it, or learning it by any means possible.