""As David and the Sibyls Say"" is a novel written by Mariana Monteiro. The book tells the story of David, a young man who is struggling to find his place in the world. He is haunted by the death of his father and feels lost and disconnected from his family and friends. One day, he meets a group of women called the Sibyls, who are wise and mystical beings that offer him guidance and support. Through his interactions with the Sibyls, David begins to...