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⭐.
Series
2 released booksAuthored 10% of series
Cambridge Military Histories is a 10-book series first released in 2007 with contributions by David Stahel, Mustafa Aksakal, and 8 others.