Earthseed is a young adult novel by Pamela Sargent, first published in 1983. It is set in the unknown future about a group of teenagers who live and grow up on Ship, preparing themselves to live on a completely new planet. Earthseed is the first book in the Seed Trilogy. The sequels are Farseed, published in 2007, and Seed Seeker, published in 2010. Source: Wikipedia (en)