This document provides an overview of the book "A History of Architecture on the Comparative Method" by Professor Banister Fletcher and Banister F. Fletcher. The book uses a comparative method to analyze architectural styles from different time periods and geographic locations. It examines the influences on each style, provides examples of prominent buildings, and compares key elements like plans, walls, openings, roofs, columns and ornamentation. The book contains around 2,000 illustrations and aims to make architectural history accessible and interesting to both professionals and amateur enthusiasts.