Exiles (Bova)

A powerful world government has scientists transported from an overpopulated earth to a satellite on the eve of their discovery of a method to modify the human embryo.

A group of scientists and other space travelers face life-or-death decisions after their spacecraft is damaged by fire.

Born and brought up on a space ship that is slowly deteriorating, Linc discovers its secrets and the way to get the remaining occupants to their ultimate destination.