People decide to write books for many reasons. Someone surely do it for their personal satisfaction, but many people do it for your profile on the market, but no matter what builds the credibility of a book and discover how to build a book builds credibility.
It does not really matter what kind of business you are, you could use a doctor, lawyer, nurse, or hell even a Frisbee golf coach is your book to help you increase your status on the market. Not only isdemonstrate that the information that the market wants, but you are one of the few that disclosure of such information is with them. Basically, you need to give people a reason for the people in it and believe what you sell. That will bring you a cut above the competition when it comes to selling your products or services.
Another nice thing about building your credibility with you is a book that sold them before people know who you are and how you so you no longer work at some pointare sold there all the time, soon you will find that people who start your tips and advice and hopefully you hire!
Not only that, but because you have this newfound credibility, is now also possible for presentations. So now you're not only increasing your credibility with your book, you can get in front of people and really start to sell yourself and your products, and the concert itself to the space paid for it! So, now that the book youadded author and speaker, credentials, and he used to go from location to an expert on the topic in your area.