Welcome to the forum Snook. There's nothing wrong with building again and hanging B-17's from your ceiling!! It would be good if you and your son can share the hobby and have a common interest in it. Go ahead and get a kit for yourself when you get his and then you won't have an excuse to not build one!
As for that publication, I don't remember seeing it when I was a kid so I can't help you there. There were very few actual hobby shops around when I was growing up though, most of mine I was getting at K-Mart back then.
Again, welcome. Looking forward to seeing you around the forum.
Eric