Yes, and I found some of his early and obscure novels (some under pseudonyms) via a search at Amazon.com. Some of them are fetching $150 to $300 for first editions.
Zowies! He lives Newport Beach, CA, with his wife Gilda and his dog (forgot the dog's name). I never saw him there, although his looks are good, but nondescript. My mom and older sister went to one of his signings of his books early on, I think it was Kujo, and had their photos taken with him. Still have them.