Phillips Payson O'Brien has written at least 4 books. Their most popular book is The Second Most Powerful Man in the World: The Life of Admiral William D. Leahy, Roosevelt's Chief of Staff with 2 saves with an average rating of 4⭐.
 The Second Most Powerful Man in the World The Second Most Powerful Man in the World: The Life of Admiral William D. Leahy, Roosevelt's Chief of Staff
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 The Second Most Powerful Man in the World
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 How the War Was Won: Air-Sea Power and Allied Victory in World War II
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 How the War Was Won
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