The document provides background information on Dan Brown's novel The Da Vinci Code. It discusses the author, main characters like Robert Langdon and Sophie Neveu, as well as minor characters and groups involved like the Priory of Sion and Opus Dei. Key symbols in the novel like the pentagram, Baphomet, rose, Holy Grail, and paintings by Da Vinci like the Last Supper and Mona Lisa are explained. The overarching theme explores the possibility of Jesus being married to Mary Magdalene and her bloodline surviving into present day.