. . "Science fiction, American"@en . . . "A rousing thought-provoking science fiction adventure."@en . . "Fiction"@en . . "Apocalyptic literature"@en . . . "But what of Earth?"@en . "But what of Earth?" . . "But what of earth?"@en . . . . . . "But what of earth" . . . . "The Earth is a dying world, overcrowded, polluted. Then a scientific breakthrough makes escape to the stars possible. A stampede to leave ensues, but what about those who are left behind?"@en . "But what of Earth? : a novel rendered into a bad example"@en . "BUT WHAT OF EARTH"@en .