What is a friend? In this beautiful photographic portrait, 100 talented photographers, including a number of Pulitzer Prize winners, answer this question as they vividly render this fragile, yet powerful, essential bond. Selected from more than 40,000 global entries in one of the most ambitious photographic competitions ever staged, the images reproduced in this book are part of the M.I.L.K. Collection: Moments of Intimacy, Laughter, and Kinship...