The book "Lectures on the origin and development of medieval architecture; volume 2" by Sir George Gilbert Scott is a valuable scientific work devoted to the study of architectural achievements of the Middle Ages. In this part of the book, the author examines in detail the famous architectural masterpieces of the Middle Ages, revealing their secrets and influence on the development of architecture in this period of history. The lectures presented in this part help to understand the important aspects and stages of the development of medieval architecture, and also allow a better assessment of the influence of this period on architectural art as a whole. "Lectures on the birth and development of medieval architecture; volume 2" is a must-have book for those interested in the history of architecture and culture of the Middle Ages.