Later a broken Sarah Ann Horn told the horrifying story of the murder of the men and of the years of captivity she and Mrs. Harris and their children endured at the hands of the Comanches. Rister has edited and annotated her 1839 narrative, which complements and extends his account of Beales's folly. Don Worcester, who wrote the introduction for this Bison Book edition, is a professor emeritus of history at Texas Christian University and the author of many books.