Arrived this morning....not the one I ordered, as I thought that I bought the older #26, no loss though as I was gonna buy this one later on anyway....
IMHO it is basicly the same book as the #26. The difference is that the volum 56 and 52 are in the English only while the 9 and 26 are the Polish/English version. Anyway a nice haul Jan. .
So.. that's the another diference. The vol26 was issued with a decal sheet although it was offered without that as well. Just the price was different. You may try to order it again but it seems that the volum is not available in the Kagero shop at the moment. That might be the reason you got the 56 instead.
The third volume in SAM Publishing Aviation Guide series, this book is a masterpiece. I swear you can build your on flying replica from it. Other books in this series cover the Fairey Battle and one other bird which memory fails me on. Pity that I don't thing the series is being published anymore.
This next one is a bit of a disappointment if you are expecting a lavishly illustrated picture book like I was. This book is surprisingly small (note ruler) though think. If reading a detailed history of the Hungarian Air Force from its inception until the end of World War II is your bag baby, then this is the book for you. Just expect pictures to show up like oasis in the desert.
Radu Brinzan's book on the IAR 80 and 81 is superb. I have it on my shelf - really admire the depth of detail he goes into on this little-known but pretty capable fighter.