The first great space opera decalogy of the 21st century, this boxed set represents the first time all 10 books have been gathered together in a single volume. It follows the exciting adventures of undercover agents working to preserve the peace and unity of a galaxy-spanning empire, despite treachery that turns up around every corner. The books include: Tsar Wars Treacherous Moon Robot Mountain Sanctuary Planet Stellar Revolution Purgatory Plot Traitors' World Counterfeit Stars Outworld Invaders Galactic Collapse