* No conglomerate book publishers.
* No book publishers affiliated with other companies, associations, universities, or organizations.
* No non-profit book publishers.
* The book publisher must publish books with great cover designs and interior text designs.
* The book publisher must publish books with good content and editorial selection.
* The book publisher must carry out great marketing programs.
* They must have at least ten books in print.
* They must have at least one title that has sold 25,000+ copies.