The content of the book offers a detailed exploration of each church, including descriptions of their architectural features, historical significance, and the materials used in their construction—primarily schist and granite. The album is richly illustrated with photographs taken by Alain Dermigny and Claude Rayon, capturing the intricate details of the churches, such as their gates, towers, and stone carvings. Beyond mere architectural appreciation, it provides insights into the cultural life of the region during the Middle Ages, emphasizing the communal efforts involved in the building of these churches and their continuing relevance to historical and architectural studies. Overall, it appeals to historians, architecture enthusiasts, and anyone interested in the rich heritage of Normandy. (This is an automatically generated summary.)