Eric Jager
Eric Jager is Professor of English at UCLA. His books in addition to The Last Duel and Blood Royal include The Book of the Heart, a study of heart imagery in medieval literature (University of Chicago Press, 2000). He received his PhD. from the University of Michigan and also has taught at Columbia University.
BLOOD ROYAL: A True Tale of Crime and Detection in Medieval Paris (Little, Brown and Co., 2014)
THE LAST DUEL: A True Story of Crime, Scandal, and Trial by Combat in Medieval France (Broadway Books, 2004)