One of things that interests me about Medieval London is how effective is archaeology? In the Prehistoric, Roman and 'Dark-age' period Archaeology has revolutionized our understanding of these periods. After 40 years of excavation, we now know there was no prehistoric London; that London boomed in the early Roman period, but began its decline as early as 140AD; and that after a period of decline revived in the 7th Century in the area of Covent Garden, before moving back into the Century round about the time of King Alfred. These are really impressive discoveries, things that just were not even hinted about from historical documents. Is the same true of the Medieval period? Certainly recently archaeology has shown the development of the City from the 9th to the 12th Century, and sites such as Milk St. Guildhall, No 1 Poultry and Queenhithe are used by John Schofield, and Christopher Thomas in their books on Medieval London to give a novel insight into the City's...