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.-