[DeepL Translation - needs review] Volume 1 Introduction: The director of the Louvre, Sonnier, was found dead in a bizarre body. The body was lying in the Grand Gallery in the shape of da Vinci's most famous drawing, "The Vitruvian Man. Langdon, a professor at Harvard University who had arranged to meet with the curator the night of the murder, was asked by the police to assist in the investigation. Sophie, the curator's granddaughter and a code-breaker, rushes to the scene and realizes that...
