Some suggestions cited, in no particular order:
* Garrett Graff, Raven Rock: The Story of the U.S. Government’s Secret Plan to Save Itself - While the Rest of Us Die.Interesting.
* Lynne Olson, Last Hope Island: Britain, Occupied Europe, and the Brotherhood That Helped Turn the Tide of War.
* Brian Devereux, Escape to Pagan: The True Story of One Family’s Fight to Survive in World War II Occupied Asia.
* Thomas-Durell Young, Anatomy of Post-Communist European Defense Institutions: The Mirage of Military Modernity.
* Peter Schweitzer, Victory: The Reagan Administration’s Secret Strategy that Hastened the Collapse of the Soviet Union.
* Misagh Parsa, Democracy in Iran: Why It Failed and How It Might Succeed.
* Mark Bowden, Hue 1968: A Turning Point of the American War in Vietnam.
* Edward Luce, The Retreat of Western Liberalism.
* Sinclair McKay, The Secret Life of Bletchley Park: The WWII Codebreaking Centre and the Men and Women Who Worked There.
* Thomas Wright, All Measures Short of War: The Contest for the Twenty-First Century and the Future of American Power.
Extremely heavy on foreign policy and international relations, and still more at the link.