Selain mengabdi di kampus dan mengelola beberapa blog,<ref>{{Cite web|url=https://muadilfaizin.blogspot.com/?m=1|title=Mu'adil Faizin Blogger|website=Blogspot|language=id-ID|access-date=2020-1-23}}</ref> Mu'adil juga menulis beberapa buku.<ref>{{Cite web|url=http://books.google.com/books/about?id=MyXfDwAAQBAJ|title=Google Books|website=Google Books|language=id-ID|access-date=2020-1-23}}</ref>