Marcello Simonettahas a PhD in Italian literature and history from Yale. His first book,The Montefeltro Conspiracy: A Renaissance Mystery Decoded,solves one of the most scandalous crimes of the Renaissance: the attempted assassination of the celebrated Medici brothers. He lives in New York.Noga Arikhahas a PhD in history and philosophy from the Warburg Institute. She has taught at Bard College and the Bard Graduate Center. Her first book,Passions and Tempers: A History of the Humours, was aNew York Times Book ReviewEditor’s Choice and one of theThe WashingtonPost’sBest Nonfiction Books of 2007. She lives in New York.