Add a free, dofollow link to Lex on your blog, forum, syllabus, or reading list.
<a href="https://lex-books.com/author/xin-fei"><img src="https://lex-books.com/badges/read-on-lex.svg" alt="Xin Fei on Lex" width="160" height="40"></a>[](https://lex-books.com/author/xin-fei)[url=https://lex-books.com/author/xin-fei][img]https://lex-books.com/badges/read-on-lex.svg[/img][/url]Xin Fei on Lex: https://lex-books.com/author/xin-fei