Well, I was wrong as usual. Ron now has a comprehensive web site with descriptions of his books and their contents (including listings of all the songs). The site also has purchase info (including Auntie Maria's Hawaiian Music Island). He also has info on classes and performances as well as a bio. It is at:
BTW, Sarah took a few lessons from him once when we were in Honolulu and he and his wife Denise and their kids, Ronnie and Allie are really sweet people. They even picked Sarah up by car and drove her to her lessons. They live in Kaneohe but Ron teaches in both places and at WCC.
This was the book set that started Sarah, and later me, on our way. Highly recommended.