Hi Dénes,
Well, there are a couple of books in the pipeline:
- one on Swedish Air Force reconnaissance during the Cold War
http://z-bok.se/catalog.19.html
- one on German aircraft after WW I (including detailed information on German aircraft in many countrieds around the world)
http://z-bok.se/catalog.17.html
and we have just started a new Junkers book project: The Junkers W 33/W 34/K 43.
Lennart