Are you writing a book? Are you designing your own book cover? Here’s a case study to improving a self-published book cover. If you are a consultant, speaker or coach, you may find that publishing a book may boost your credibility, open doors to more opportunities and help you land more gigs or clients. With the Internet at your fingertips and easy access to expert cover designers, editors, illustrators and page layout artists, it is much easier to self-publish a book than it was twenty years ago. You can take the role as general contractor and hire consultants to help assemble all…