I owe thanks to my editor, Edward Kastenmeier, and to everyone at Pantheon and Knopf who has supported this book, including Tim O’Connell, Rita Madrigal, and Josefine Kals; to Alex Bowler and everyone at Jonathan Cape; to my agent, Jennifer Carlson, and her colleagues at Dunow, Carlson & Lerner; and to Heather Swan, for her early encouragement and her help with the title.