What size book cover do you use to exchange your body with animals?

260 x 185mm. According to the relevant public information, the length and width of Exchange of Bodies with Animals are 260mm and185mm, so the book cover of 260x185mm is used. Exchanging Bodies with Animals is a "somatosensory" animal illustration created by Kawasaki Takeshi, a popular Japanese illustrator and paleontologist, based on the human body. The book uses many vivid and humorous illustrations to describe the body structure of reptiles, amphibians, mammals and birds, as well as more than 20 kinds of animals such as turtles, elephants, giraffes and penguins, and the evolutionary mysteries behind them. By comparing the characteristics of animals and humans, professional biological anatomy knowledge is transformed into exaggerated and strong impact.