Martinair, I know exactly what you're talking about, I think. I have no idea what Sushka is talking about though. Those fat 3 ring binders with different sections and categories of a/c in which you put the fold-out inserts of a specific a/c type that has pics and info of that type? That
Aircraft Of The World? I remember I used to get these things in the mail for free, then they wanted me to pay for future shipments and so I did for a little while, then I think my mom stopped paying, and I stoped getting them.
This was years ago though, and I would like to start collecting them again as well. The only thing is though whenever they sent me more only like 1 out of 10 would be commercial planes, and that's pretty much all I wanted.
If this is what you're talking about, let me know. I've tried searching for this type of thing on the internet but no luck.