?This is hard sci-fi done right.? ?Publishers Weekly (starred review). ?One of the enduring classics of science fiction.? ?George R.R. Martin Deep in the future, natives of the planet Hydros, an ocean planet whose inhabitants live on artificial floating islands, force the entire human population of the island of Sorve into exile, leaving the outcasts to ponder their fate, their past, and the true purpose of humanity. After a human offense against the natives of Hydros, the human population of the island of Sorve are ordered to leave. Forbidden on all other islands, in a flotilla of ships they seek the semi-mythical island of the Face