caption: The image shows a page from a book with a variety of different types of shells, including a snail, on it. The page is filled with intricate details of the shells, such as the ridges and grooves that make up the spiral pattern. The shells are of different sizes and shapes, with some having a smooth, glossy finish and others having a more rounded shape. The colors range from light to dark shades of blue and green, and the shells are arranged in a symmetrical pattern.