He studies cultural and religious history in late medieval and early modern Spain and the Mediterranean world. He is the author of Enemies in the Plaza: Urban Spectacle and the End of Spanish Frontier Culture, 1460–1492, as well as articles in Speculum, Viator, and Medieval Encounters. He is currently at work on a number of projects, including a study of the emotional and cognitive experience of local pilgrimage in early modern Iberia.