This manual pertains to the historical development and architectural significance of English castles, focusing on their evolution as military structures. It explores notable sites such as York Castle, Conway Castle, and Dover Castle, offering insights through a comprehensive collection of photographs, drawings, and plans. The publication delves into the engineering and strategic considerations that shaped these fortifications across England and Wales, providing a detailed account of their construction and purpose.

The scope of this document encompasses a thorough examination of castle architecture, tracing their military functions and historical context. It serves as a valuable resource for understanding the defensive strategies and construction techniques employed throughout different periods. This survey is intended for those interested in historical architecture, military history, and the enduring legacy of these significant structures.