The Fervor is based on two real historical incidents, one being the internment, as already mentioned. The second is the fire balloons, or Fu-Go, which did manage to make it to the American West Coast during the last months of the war. The actual story of the Fu-Go is barely scratched here, and for those who are interested in learning more, I recommend Fu-go: The Curious History of Japan’s Balloon Bomb Attack on America by Ross Coen. It provides a thorough exploration of the history behind the balloons, as well as a
