This volume investigates the topographical and structural evolution of London from its prehistoric origins through the early 16th century. Mary D. Lobel, a respected historian and editor, synthesizes archaeological data and historical records to document the physical transformation of the city. The work provides a rigorous framework for understanding how urban planning, trade, and defensive needs shaped the capital before the modern era.

Scholars and historians frequently cite this work as a foundational reference for the study of medieval urban development. Readers often note the high level of academic detail and the precision of the cartographic evidence provided.