Nancy Mitford and Evelyn Waugh, two of the twentieth century's most gifted writers, matched wits and exchanged insults in a continuous irreverent dialogue. Their delicious letters, most never before published (for fear of speaking ill of the living), provide colorful glimpses of both lives, of an enduring but thorny friendship, and of the literary and social circles of London and Paris at midcentury. Waugh and Mitford came out of the group of London socialites known as the Bright Young Things; they both found best-selling success in the 1940s, Waugh with Brideshead Revisited, Mitford with The Pursuit of Love. In their letters they sharpened their wits at the expense of friends and enemies alike and eagerly dissected their friends, including Harold Acton, Graham Greene, the Sitwells, Duff and Diana Cooper, Randolph Churchill, and their favorite butt, Cyril Connolly. Waugh's pessimistic brand of Roman Catholicism clashed with Mitford's cheerful iconoclasm; her francophilia only fueled he