Penguin Group (USA) Inc. is the U.S. affiliate of the internationally renowned Penguin Group, the second-largest English-language trade book publisher in the world. Formed in 1996 as a result of the merger between Penguin Books USA and The Putnam Berkley Group, Penguin Group (USA), under the stewardship of Chief Executive Officer, David Shanks, is a leading U.S. adult and children's trade book publisher. The Penguin Group, with primary operations in the United Kingdom, Australia, the United States and Canada, and smaller operations in South Africa and India, is led by its CEO and Chairman, John Makinson, and is owned by Pearson plc. Pearson is an international media company with market-leading businesses in education, business information, and consumer publishing.

Penguin Group (USA) publishes under a wide range of prominent imprints and trademarks, among them Berkley Books, Dutton, Grosset & Dunlap, New American Library, Penguin, Philomel, G. P. Putnam's Sons, Riverhead Books, Viking and Frederick Warne. The company possesses perhaps the world's most prestigious list of best-selling authors and a backlist of unparalleled breadth, depth, and quality. The Penguin Group's roster of bestselling authors is a Who's Who of the industry, including among hundreds of others Dorothy Allison, Nevada Barr, Saul Bellow, A. Scott Berg, Maeve Binchy, Harold Bloom, Sylvia Browne, Tom Clancy, Robin Cook, Patricia Cornwell, Catherine Coulter, Clive Cussler, Eric Jerome Dickey, Richard Paul Evans, Helen Fielding, Ken Follett, Sue Grafton, W. E. B. Griffin, Nick Hornby, the Dalai Lama, Spencer Johnson, Jan Karon, Anne Lamott, James McBride, Terry McMillan, Arthur Miller, Jacqueline Mitchard, Toni Morrison, Kathleen Norris, Joyce Carol Oates, Robert B. Parker, Nora Roberts, John Sandford, Carol Shields, John Steinbeck, Amy Tan, and Kurt Vonnegut.