Umberto Eco (1932–2016) is a famous Italian writer, scientist and philosopher. His first novel, The Name of the Rose, published in 1980, immediately became a super bestseller. The book has been translated into many languages, and today it is considered a classic of world literature. Umberto Eco's novels "Bawdolino", "The Mysterious Flame of Tsarina Loana", "Prague Cemetery", "Foucault's Pendulum", "Number Zero" by Umberto Eco were published in the publishing house "Foucault's Pendulum". a fascinating detective story, organically woven into real historical events of the 14th century. In a medieval monastery, monks die one by one under mysterious circumstances. The Franciscan scientist William and his assistant Adso are tasked with finding out the cause of their death. Having started the investigation, they plunge into the labyrinth of insidious intrigues, political machinations, secret vices and absurd superstitions that fill the life of monks, and solving many philosophical questions, following the path of logical reasoning, reveal mysterious murders.