Sentinel (publisher)

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Sentinel

Parent company	Penguin Group
Founded	2003
Founder	Adrian Zackheim
Country of origin	United States
Headquarters location	New York City
Publication types	Books
Official website	Sentinel at Penguin.com

Sentinel is a dedicated conservative imprint within publisher Penguin Group (USA) and was established in 2003. It publishes a wide variety of right-of-center books on subjects like politics, history, public policy, culture, religion and international relations.^[1] Its most notable books include Donald Rumsfeld’s memoir, Known and Unknown, Mike Huckabee’s Do the Right Thing, A Simple Christmas, and A Simple Government, and A Patriot’s History of the United States by Larry Schweikart.

Founder, president, and publisher Adrian Zackheim joined Penguin Group in September 2001 to launch Portfolio, the company's business book imprint. He took on the additional role of founder and publisher of Sentinel in April 2003. He has a long track record of publishing books by notable conservatives, including Margaret Thatcher, Newt Gingrich, and Bob Dole. Before coming to Penguin Group, he was the associate publisher and editor-in-chief of HarperInformation (a division of HarperCollins) and has held various editorial positions at William Morrow, Doubleday, and St. Martin's Press.