Penguin Group publishes under a wide range of prominent imprints and trademarks, among them Viking, G. P. Putnam's Sons, The Penguin Press, Riverhead Books, Dutton, Penguin Books, Berkley Books, Gotham Books, Portfolio, New American Library, Plume, Tarcher, Philomel, Grosset & Dunlap, Puffin, and Fr...