Ryan Lavelle's excellent monograph addresses well-established questions of medieval studies--warfare, violence, rebellion--in a new and innovative manner that will prove enlightening for scholars from a variety of disciplinary backgrounds. . . . Lavelle writes with verve and humor, deftly balancing his variety of approaches while maintaining his core focus on the centrality of space. This book is a triumph of interdisciplinary scholarship and a welcome addition to the study of medieval England and France.