The beginning of the book is a bit confusing and lack of action but we doucemement s penetrating the Middle ageux climate where political and religious intrigues going well. We get lost a bit with all the characters of the abbey and their list and function briefly described in the original book Annex is useful (and the Abbey plan). The plot becomes truly delectable with the first perprétés crimes in the abbey where rivalries are perennials. Boating, soeure abeysse whose authority is controversial, will try to unravel the mystery with the help of Count Mortagne, packages are chaining and seriously accelerating the pace of the novel that pass until its denouement. A very good camera.