Susan Rose is primarily known as a naval historian of the fifteenth century. She published Naval Warfare in the West 1000-1500 in 2002. She also teaches computing for historians at the University of Surrey Roehampton. She has done all the work on the tables and statistical preparations for the maps in this volume, which were drawn by Michael Shand of the University of Glasgow. Dr Rose succeeds Professor Spufford in running the Roehampton Hearth Tax Centre.