Alain,
...there are some short (but 5-star) reviews posted at amazon.co.uk
http://www.amazon.co.uk/gp/product/0...pf_rd_i=468294
There's also another thread on these titles on TOCH with links to pdf extracts on the publisher's own site
http://forum.12oclockhigh.net/showth...t=13737&page=2
and much more discussion/idle chit-chat over at the LEMB
http://www.luftwaffe-experten.org/fo...pic=2179&st=90