caption: The image shows an open book with a drawing of a man standing in front of a tower, surrounded by a few people and a house. The book is believed to be from the 15th century, as indicated by the text on the page. The man is wearing a long robe and a hat, and is holding a staff in one hand and a book in the other. The house in the background is a two-story structure with a red roof and white walls. The people in the drawing are standing around the tower, looking up at the man with admiration.