1. Online Bookstore: You can buy this book in major online bookstores, such as JD.COM, Tmall, Dangdang and Taobao.

2. Physical Bookstore: This book can be bought in local bookstores, such as well-known chain bookstores, cultural goods stores, Xinhua Bookstore and other large bookstores.

3. Second-hand Bookstore: You can buy this book in a second-hand bookstore or online second-hand book trading platform.

If the above channels cannot be purchased, you can try to contact the publisher or the author and ask if there are other ways to purchase or if you can reprint it.