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 bestseller and was named one of the best books of the year by the New York Times, Washington Post, San Francisco Chronicle, Christian Science Monitor, and Kansas City Star. The River of Doubt was a Barnes & Noble Discover Great New Writers selection and a Book Sense Pick, was a finalist for the Quill Awards, and won the William Rockhill Nelson Award. It has been printed in Portuguese, Mandarin, and Korean, as well as a British edition.

Millard's second book, Destiny of the Republic: A Tale of Madness, Medicine and the Murder of a President, rose to number five on The New York Times bestseller list and has been named a best book of the year by The New York Times, Washington Post, Kirkus Reviews, The Kansas City Star, Amazon, and Barnes & Noble. Destiny of the Republic won the Edgar Award for Best Fact Crime, the PEN Center USA award for Research Nonfiction, the One Book—One Lincoln Award, the Ohioana Award and the Kansas Notable Book Award.

Millard's work has also appeared in Time Magazine, Washington Post Book World, and the New York Times Book Review. She lives in Kansas City with her husband and three children.