Bill Nesto is a Master of Wine and a founder of Wine Studies Program at Boston University. Frances Di Savino is an attorney with backstage in medieval and Renaissance studies. They wrote the book: "Chianti Classico - The Search for Tuscany's Noblest Wine". This book tells the story of the ancient land named Chianti and the modern wine appellation known as Chianti Classico. Caparsa's short story on the page 190 -192, on the section of Radda in Chianti. Discovery and buy on University of California Press or in Amazon !!