caption: The image shows a page from a book with a variety of rocks and shells, including a shell. The page is filled with different types of rocks, each with its own unique shape and size. The shells are arranged in a pattern, with some overlapping each other. The colors of the shells range from light to dark shades of grey, and some have a glossy finish. The text on the page is written in a bold font, and the background is a light cream color.