The book progresses through three sections, beginning with the evolution of castle design and then transitioning to detailed analyses of siege warfare, including tactics like mining and the use of trebuchets.
Finally, it delves into the routines and social structures within the castle walls, shedding light on food production, justice administration, and the roles of various inhabitants. By integrating historical records, architectural analysis, and archaeological findings, Medieval Castles provides a comprehensive understanding of these iconic structures and their impact on medieval society and military strategy.