The Ninth Circle : A Novel of the U.S.S. Merrimack

Fifth in the hard-hitting military science-fiction series. On the distant world of Zoe, an expedition finds DNA-based life. When alien invaders are also discovered, Glenn Hamilton calls on the U.S.S. Merrimack for help. But the Ninth Circle and the Palatine Empire have also found Zoe. Soon everyone will be on a collision course to determine the fate of this planet.