鈥淚n the Days of Billy the Kid,鈥 a book by James B. Mills, profiles four New Mexico Hispanics who knew Billy the Kid and rode with him during the Lincoln County War. The four are named in the subtitle 鈥 鈥淭he Lives and Times of Jos茅 Ch谩vez y Ch谩vez, Juan Patr贸n, Mart铆n Ch谩vez and Yginio Salazar.鈥