caption: The image shows an open book with a drawing of various types of jellyfish on it. The book is filled with intricate details of the jellyfish, including their long tentacles, round bodies, and intricate patterns. The jellyfish are drawn in a realistic style, with each one having its own unique shape and texture. The colors used in the drawing are mostly shades of blue, green, and yellow, giving the image a vibrant and lively feel.