Lots of professionals have not yet considered publishing a book to “to Burnish Credentials and Attract New Customers.” They are experts in their fields but often think of writing a books as something one does an occupation or hopefully an occupation. But, that’s not necessarily true. May professionals are writing to bring new business in their doors. In some reported cases, having a published book as a professional has opened other opportunities like public speaking. Here is the brief story of two such cases, one dentist and one chiropractor. Why not think about using the fast growing medium to promote yourself and produce buzz and invisible income for you?