The book investigates a riveting, richly documented conflict from thirteenth-century England over church property and ecclesiastical patronage. Oliver Sutton, the bishop of Lincoln, and John St. John, a royal household knight, both used coveted papal provisions to bestow the valuable church of Thame to a familial clerical candidate (a nephew and son, respectively). Between 1292 and 1294 three people died over the right to possess this church...