This is essentially the second half of a single book - the first half is Pandora's Star. Judas Unchained begins where Pandora's Star left off, in the..Show More » middle of a very exciting battle for survival. The writing is very descriptive, the action constant and intense. The author has a wonderful and consistent vision of other alien cultures, including philosophy, anatomy, and so on. There are enough threads of today's society that the descriptions of human culture in the future are quite believable and consistent. The narration adds to the quality, and is superb. You'll want to read Pandora's Star first, and download this one before you finish, so that you can go on listening to the end. The ending, of course, is quite satisfying.