What books should I read when I am familiar with Hainan tourism?

Generally, every place has its own travel books. . You can also find some maps or guides of Hainan tourism, which are generally famous scenic spots ... and you can find some travel agencies to study the routes, or there will be special brochures to introduce the scenic spots and routes in Hainan. Personally, if you just want to know about Hainan's tourism, routes and scenic spots, this convenient publication is more suitable. . If you want to write a more profound paper, you'd better read a professional book introducing the present situation and development trend of Hainan tourism. ...