SILVERBERG Robert "Night Wings" (1969) The novel takes place in the distant future. Civilization on Earth is in decline after centuries of prosperity. After a man-made disaster, both Americas plunged into the ocean, and the Mediterranean Sea became shallow. Society is divided into castes: there are Rulers, Defenders, Chroniclers, Indexes, Surgeons, Somnambuls, etc., as well as castes of creatures with altered genetic nature - Aeronauts with wings, Swimmers with gills, and others... SILVERBERG Robert "The Man in the Labyrinth" (1968) Sinister labyrinth, "gas chamber," created by an unknown race, longs for blood and death. Only one was able to pass it on his own, the one who ceased to be a "person." His soul is destroyed and distorted by the first contact in the history of mankind with an inhuman race. Now he's an outcast. Now his house is a labyrinth. In aeternum. But suddenly there are guests...