Two books exploring the science of drinking and the physical abilities of animals. "The Science of Drinking According to Famous Doctors: Essential Lectures for Drinking Healthily for Life" Kaori Haishi / Shinichi Asabe Price: ¥1500 "Solving the Amazing Techniques of Animals with Physics: From Bees that Capture the Electric Field of Flowers to Squirrels with Tail Secret Weapons" Matin Durrani / Liz Kalaugher / Michiyo Yoshida Price: ¥2300 Slight wear and bending. For those who understand that these are used books, and those who don't mind! *I am not very knowledgeable, so the description may be incorrect. The current condition in the photos takes precedence, so please check the photos. These are used items, so please understand before purchasing. Please check the condition in the photos. These items were acquired, so I may not be able to answer questions about the period of use. Shipping will be done anonymously. I will ship using the most cost-effective method possible, so please understand and accept this.