Excellent book, fast paced, not too technical for those without military knowledge. The book just flows, in a way I have never seen or read before. I have re-read it several times, it is that good. I am currently re-reading book 2 ( Invasion, The Lost Chapters), as that is equally excellent, but from a different perspective than book 1 (Invasion). I have now bought book 3 (Invasion, Uprising) and awaiting its delivery by the post/mailman. I suspect it will be as good as the first 2 books and again from a different perspective, I will be totally engrossed in it, I am so looking forward to reading it when it arrives.