This is an omnibus from New York Times bestselling author L. E. Modesitt, Jr., This omnibus concludes one of his most powerful science fiction series, the Ecolitan series. It contains book three, The Ecologic Envoy, and book four, The Ecolitan Enigma. Four hundred years after winning secession from the Terran Empire, the star system Accord wants to sign a simple trade treaty with the Empire. But if the agreement is so minor, why is Professor Nathaniel Whaler, chief economist at the Ecolitan Institute and his world's top commando killer, chosen as Accord's Envoy? Other Series by L.E. Modesitt, Jr.The Saga of RecluceThe Imager PortfolioThe Corean ChroniclesThe Spellsong CycleThe Ghost BooksThe Ecolitan MatterThe Forever HeroTimegod's World Other BooksThe Green ProgressionHammer of DarknessThe Parafaith WarAdiamanteGravity DreamsThe Octagonal RavenArchform: BeautyThe Ethos EffectFlashThe Eternity ArtifactThe Elysium CommissionViewpoints CriticalHazeEmpress of EternityThe One-Eyed ManSolar Express