"Imprimatur" is a fascinating historical novel written by the famous Italian writer Ricardo Calvino. The book tells about the complex events that took place in Italy in the 17th century during the Counter-Reformation. The main character, who is a real historical figure, finds himself in the vortex of the Catholic Church, religious conflicts and political intrigues. Written with great erudition and the ability to depict the mental states of the characters, the novel "Imprimatur" impresses with its depth and skill. The author perfectly conveys the atmosphere of that time, cultural features, and religious beliefs of the characters. This book not only reveals historical events, but also makes the reader think about eternal values, faith and power. "Imprimatur" is an exciting journey into the past that will leave a mark in your soul forever.