Lisa Grunwald is the author of the novels Whatever Makes You Happy, New Year’s Eve, The Theory of Everything, and Summer. Along with her husband, journalist Stephen J. Adler, she edited the bestselling anthologies Women’s Letters and Letters of the Century. Grunwald is a former contributing editor to Life and a former features editor of Esquire. She and Adler live in New York City with their two children. Join Lisa at lisagrunwald.com and on Facebook.