1. Practical Handbook for Pet Doctors: This book is written by famous domestic pet medical experts, and introduces the common diseases and preventive measures of pets in detail. It is a good textbook for people who want to be pet doctors.

2. Pet Guide: This is a reference book suitable for ordinary family pet owners, covering pet daily care, training skills and other aspects of knowledge.

3. "Dog Psychology": This book interprets the dog's behavior habits from a psychological point of view, helping you better understand your dog and improve the quality of interaction with pets.

4. A Complete Collection of Cats: This book takes cats as the protagonist and comprehensively introduces the knowledge of cats' diet, health and behavior. It is a good helper for cat owners.

These books can be bought in major online bookstores in China, such as Dangdang and JD.COM. At the same time, our country's libraries will also have these books to borrow, and you can consult them in the nearby libraries.