It does state in the second line above that the UK Edition which will be English can only be purchased from UBIshop direct.
See thread below:-
http://collectorsedition.org/forums/...ight=Sturmovik
The only other English version would be Austrialia which can only be purchased from ebgames.com.au, see link below:
http://www.ebgames.com.au/pc-153296-...ors-Edition-PC
As this is a PAL exclusive it won't available in North America.