caption: The image shows an old book with a drawing of a group of people sitting around a table, with the title "Liber Theoricaae" written on the cover page. The people in the drawing appear to be discussing the book, with some of them looking intently at the pages. The table is covered with a cloth and there are various objects on it, such as a globe, a book, and a pen. The background of the image is a light blue color, and the text on the page is written in a bold black font.