While Abraham Lincoln has stolen the limelight with rumors about his furtive sex life, some historians have proclaimed that America’s first gay president was really his predecessor, the now-obscure James Buchanan. (He was the 15th president, serving from 1857 to 1861). Buchanan is the only bachelor to ever have held America’s top office, and his private life raised many eyebrows while he was alive.

Tony Perrottet’s book, Napoleon’s Privates: 2,500 Years of History Unzipped, is a literary version of a cabinet of curiosities (HarperCollins, 2008; napoleonsprivates.com). He is also the author of Pagan Holiday: On the Trail of Ancient Roman Tourists and The Naked Olympics: The True Story of the Ancient Games.