Star Trek novel Mirror Universe Part 2: Obsidian Alliances, by Keith R.A. DeCandido, Peter David, and Sarah Shaw, isn’t due to be released until March. Publisher Simon & Schuster, however, has posted an excerpt from the book for free on their web site. The excerpt is chapter 1 of DeCandido’s Voyager piece, The Mirror-Scaled Serpent. To read the excerpt, click this link.