Question and Answer
Poul Anderson
 John Lorenzen is an astronomer from Lunopolis who is recruited by the Lagrange Institute for the second expedition to Troas. At this time, Earth is still recovering from a two-century-long era of war and chaos that began with the Soviet conquest of North America in World War III and ended with the unification of the Solar System at the conclusion of a war between Mars and Venus. Twenty-two years after the discovery of a faster-than-light drive, Troas is the only Earthlike world to be discovered, and enthusiasm for interstellar travel is waning. If Troas is not opened to colonization, humanity may give up interstellar travel altogether. The effort to mount a second expedition to Troas is plagued with difficulties. The Lagrange Institute is unable to charter a starship and must build its own, the Henry Hudson. The construction of the Hudson is hampered by delays, cost overruns, and at least one act of outright sabotage. The voyage of the Hudson to Troas is also troubled, as tension rises among the members of the expedition. Edward Avery, the expedition's psychomed, is unable to maintain group harmony aboard the ship, and at least one fight breaks out. Upon arrival at Troas, the crew of the Hudson find no trace of the first expedition. After it is determined that there are no harmful microorganisms on Troas, a base camp is established on the planet. Eighteen days later, a group of aliens appears. Avery is assigned to learn the aliens' language, and he reports that it is extremely difficult to understand. He is eventually able to determine that the aliens are called the Rorvan, and that they are native to Troas. This is bad news for the expedition, since planets with native intelligent species are off limits to colonization. The Rorvan invite a small group of humans, including Avery and Lorenzen, to accompany them to their settlement. As the group of humans and Rorvan travel, Lorenzen listens to Avery's conversations with the aliens and realizes that their language isn't nearly as difficult to understand as the psychomed claims. By the time they reach the Rorvan settlement, Lorenzen has learned through his eavesdropping that Avery and the Rorvan are conspiring to deceive the other humans. When Lorenzen finally confronts Avery, the psychomed admits that he and his clique within Earth's government have been deliberately stifling interstellar travel, since they feel that humanity isn't ready for it. The members of the first expedition were interned after returning to the Solar System, and the Rorvan are not native to Troas after all. Avery pleads with Lorenzen to help him maintain the deception, but Lorenzen refuses. He wants humanity to expand into the galaxy.