For many, sales are the least desirable aspect of being a business owner.  It means knocking on doors and making cold calls, the majority of which end up in rejection.  Publishing a book can literally end the need to go out and get sales.  Here's how.   Writing a book will end cold calling.  Imagine talking to a potential customer and being able to say, "Let me give you a copy of my book."  This is a huge selling point.  They may never actually read your book, however simply because you have one tells your prospective client you are an expert in your industry and you are so confident in your knowledge and abilities you have written a book on the subject.  Seriously, would you rather do business with a company you know nothing about or a company who has written a book on the subject?  Most of us would rather go with a company who has written a book, we are more comfortable with them.  We are instantly more confident in their skills.  Your customers will be too.  In fact, I have know business owners who simply had to say "let me send you a copy of my book," and the potential customer made a purchase on the spot.  They did not even have to see the book, just the mention of publication was enough to give them confidence.

Writing a book will bring customers to your door.  Having a book available and on the market will bring customers to your door.  For example, imagine you are exploring the possibility of running a marathon.  You buy a book or two on the subject.  During your training you decide you need more help getting proper form so you go back to the author of your book, visit their website and book a weekend training camp with them.  Now if you had not