How were medieval navies organized, and how did powerful rulers use them? Medieval Naval Warfare, 1000-1500 provides a wealth of information about the strategy and tactics of these early fleets and the extent to which the possibilities of sea power were understood and exploited. This fascinating account brings vividly to life the dangers and difficulties of medieval seafaring. In particular, it reveals the exploits of the Italian city-states, England and France and examines how battles were fought from the Mediterranean to the North Sea. With accompanying maps and illustrations, this much-needed account will appeal to military historians medievalists and the general reader alike.