The Nature of Horses

The Character of Cats

Oliver Wendell Holmes: A Life in War, Law, and Ideas

Air Power: The Men, Machines, and Ideas That Revolutionized War, from Kitty Hawk to Iraq

Code Warriors: NSA's Codebreakers and the Secret Intelligence War Against the Soviet Union

Perilous Fight

Her Majesty's Spymaster: Elizabeth I, Sir Francis Walsingham, and the Birth of Modern Espionage

A Day in September: The Battle of Antietam and the World It Left Behind

Blackett's War: The Men Who Defeated the Nazi U-Boats and Brought Science to the Art of Warfare

Journey to the Edge of Reason: The Life of Kurt Gödel