THE CALL OF EARTH. New York: Tor, . Octavo, printed salmon wrappers. Advance copy (uncorrected proof) of the first edition. Second book of the "Homecoming" series. On the planet Harmony survivors from a ruined Earth live in a eutopia maintained by a computer, which is failing. The only repair lies light-years distant on Earth and the only way to get there is to teach forbidden technology to a few select people. Sargent, British and American Utopian Literature, 1986-2009. A fine copy. (#106110).