Серия "Daedalus Mission"

The planet Attica has two continents: Lambda and Delta. The indigenous alien population being restricted to Delta, Earth's colony was planted on Lambda. Before the arrival of the Daedalus, two sailing ships had set out from Lambda to cross the ocean separating the two continents, and neither had returned. Now a third is on its way, and Mariel Valory and Alex Alexander of the Daedalus have hitched a lift, in order that Mariel might use her talent to try to make contact with the aliens....

The final contact made by the Daedalus Mission begins badly, even before the ship makes a hard landing in the middle of nowhere. The situation of the colony doesn't seem to make any sense, and neither does the situation of the indigenous aliens–the Sets–that have helped the colony survive and thrive. Alex Alexander doesn't take long to work out a hypothesis that might explain the mystery–a hypothesis that the people on the ground have already worked out for themselves–and he's...