Since 2002, HPI has helped many authors achieve their book publishing goals. Publishing a book with HPI means you'll be guided through the entire process, from choosing the best book publishing options to utilizing the most effective marketing tools. All this and, as an author, you still retain all the rights and control decisions surrounding the publishing and marketing of your book.HPI offers authors around the world the highest level of professional publishing services. Our offices in USA and Mexico specialize in designing, producing, publishing, and marketing books for independent authors.