Building Print On Demand Publisher Website

I have been working in publisher in Indonesia for 10 years. Now i am starting my own Online Bookstore and Print on Demand publisher. [login to view URL] and [login to view URL] greatly inspired me to build almost the same service but will serve specific market which is Muslim writers, muslim readers, or those who are interested in islamic issues. Every one who has writings, books, dissertation, and other sources dealing with islamic content can publish in my website. My website will provide services to package these material become either digital books or print on demand book (like [login to view URL]). The visitor can explore thousands of content dealing with islamic issues and purchase either digital version or print on demand version. I am dreaming my website became the largest online islamic bookstore and online publisher.