I’ve flicked through this a few times in WHSmiths but it’s now available as a digital book for £3.99, so worth getting hold of. There’s lots of useful stuff here too for Bag the Hun and the like, covering the air war in the last five months of the war, not just last few days as the title suggests. The creation of the excellent cover art by Mark Postlethwaite is also explained on his website, which I think is really relevant to painting miniatures too: