Jeff Flannery from the Library of Congress speaks with Candice Millard, who appeared at the 2016 National Book Festival on September 24 in Washington, D.C.

Candice Millard is a former writer and editor for National Geographic magazine. Her first book, “The River of Doubt: Theodore Roosevelt’s Darkest Journey,” was a New York Times best-seller and was named one of the best books of the year by, among others, The New York Times, The Washington Post, The San Francisco Chronicle and The Christian Science Monitor. “The River of Doubt” was also a finalist for the Quill Awards and won the William Rockhill Nelson Award. Her second book, “The Destiny of the Republic: A Tale of Madness, Medicine & the Murder of a President,” focuses on the assassination of James A. Garfield, a Civil War hero and 20th U.S. president. Millard’s most recent work is “Hero of the Empire: The Boer War, a Daring Escape and the Making of Winston Churchill.”