foreword In the vast galaxy of world literature, detective novels are undoubtedly a shining star. The earliest origins of detective novels were Britain and the United States, and later influenced the literary circles of France, Belgium, Germany, Canada, the Soviet Union and some countries in Eastern Europe, and gradually developed to Asia, where "detective novel fever" appeared in Japan, China, and South Korea. .Its circulation also ranks first among other novels in the world literary world. In China, the readership of detective novels is second only to martial arts novels. This is undoubtedly because the wonderful plots and ingenious ideas of these two novels, as well as the suspense and mystery attract readers.In my opinion, detective novels are not only a battle of wits between criminals and detectives, but also a battle of wits between the author and the readers.The intelligence-enlightening nature of detective novels is also reflected in the statements of scientifically solving crimes. By integrating knowledge such as physics, chemistry, geography, and history into the works, people not only acquire knowledge in various aspects while reading, but also consciously exercise readers' thinking. ability.This is a feature that only detective novels have, and it is also unmatched by martial arts novels. It is also the initial motivation for the production of the "Bandhammer School" series of fine-school E-books.

Here, I would like to express my special thanks to the 52EBOOK forum for providing a communication platform, and I would also like to thank Tingfengxuan, GWJYC and all book friends for their selfless help in the production of this series of books!Sincere thanks! !As for this series of books, although it claims to be a well-educated E-book, there are still many shortcomings and omissions. This is entirely due to the knowledge level of the creator, and I hope my friends will forgive me! ! 【brief introduction】 This book is one of the "contemporary world master classics".The title of the book is a medieval word used to indicate symbolic meaning, and the story is also set in a medieval monastery.A series of bizarre deaths occurred in the monastery that had already been polluted by the suspicion of heresy and the monks' personal desires.A erudite St. Franciscan missionary investigates the truth, but becomes embroiled in a horrific crime... This is a rare detective-philosophical-historical novel.In addition to the confusing and exciting storyline, the book is full of various knowledge, involving theology, politics, history, criminology, as well as different thoughts such as Aristotle, Aquinas, and Bacon.It shows the author's profound knowledge and extraordinary narrative ability.The whole book can deeply hold readers' hearts, so it has caused unprecedented shock in the European and American literary world since its publication. It is a classic novel masterpiece that is both popular and popular!