She is the co-author with Michael Duffy of The New York Times Bestsellers The Preacher and the Presidents: Billy Graham in the White House (2007) and The Presidents Club: Inside the World's Most Exclusive Fraternity (2012).
Вона є співавтором разом з Майклом Даффі таких робіт як The Preacher and the Presidents; Billy Graham in the White House (2007) та The Presidents Club: Inside the World's Most Exclusive Fraternity (2012).