"A very enjoyable start to a thoughtful SF series." — Kirkus Review "It is bracingly epic and imaginative, a tautly plotted and intelligently accomplished tale for fans of science fiction." — The Book Commentary The Union of Earth maintains a tenuous hold on its colonies. When the planet Acadia threatens to secede, Ex Fleet commander Matt Ryder is forced to choose sides. Meanwhile, a young bureaucrat named Amanda Chester is sure that alien forces are behind the rebellion. Amanda guides a small group of operators, including a reluctant Matt Ryder, on a mission that will either stop the war…or start a larger one. Replete with space naval battles and hand-to-hand combat in the vacuum and on the ground, Disunion: Book One - The Mantiz Gambit, tells the story of brave men and women fighting to hold a fragile human network together.