At work, when I moved over to the web side of operations full time, I inherited lots of bits and bobs from our departing web editor.
One of these was a book titled How to Make Your Own Web Site for the Older Generation.
Unfortunately, the "for the older generation" part of the title refers to the book itself, not to any websites that might be built using it. In other words, it doesn't tell me how to build a website that appeals to OAPs.
(The cover of my copy is identical to the one pictured, except that mine has "Web Site" in the title instead of "Website".)