bill we also have a policy called wp bold you do not have to wait for any particular person to approve your edit before you make them you could go ahead with your edit if you want and if you want to discuss the reliability of the source which you propose here is one thing to consider is the source an academic i mean a professor if the person who wrote the book is a professor there is a reasonable chance that the source may be ok i have not reviewed it though there can be issues even if the source be a professor i think you can go ahead though if there are objections they can be discussed later too