The cutting-edge papers in this collection reflect the wide areas to which John Pryor has made significant contributions in the course of his scholarly career. They are written by some of the world's most distinguished practitioners in the fields of Crusading history and the maritime history of the medieval Mediterranean. His colleagues, students and friends discuss questions including ship construction in the fourth and fifteenth centuries, navigation and harbourage in the eastern Mediterranean, trade in Fatimid Egypt and along the Iberian Peninsula, military and social issues arising among the crusaders during field campaigns, and wider aspects of medieval warfare. All those with an interest in any of these subjects, whether students or specialists, will need to consult this book.