Most people believe that writing is the hardest part; once their book is published, they think, it will fly off the shelves. The reality is that they will be lucky if their book even gets any shelf life. The most important lesson that an author can learn is that the work doesn’t stop after you’ve turned in the manuscript. That’s when the hardest work begins. If you want your book to be bought and read by the widest possible audience, you have to start marketing it long before its publication date. Here are some simple tips on marketing that every author should take to heart.