I guess you didn't catch my sarcasm. There is nothing wrong here as you seem to think. Just because production numbers were not published does not mean the company had "sloppy" bookkeepers. Give them a break. They may have had their reasons. As for the books there's tons of information in them not available anywhere else. True Avanti enthusiasts cherish these books. I don't know how you can not be satisfied. It just so happens what you are looking for may not be available and no one including Avanti Motors or the author can be faulted for that.