If the book is relatively new, you can go directly to Dangdang or excellent websites and enter the author's name in the search bar.

If it is an old book, you can go to the website of the National Library to search for the author.

If you know the publishing houses, basically all publishing houses use the author's tools to search for books.

If you want to know what books an author has published, you can try Baidu search. Generally, if the author has an entry under his name, there will be a list of his works.