Forbidden World (SteelBook)

The seed is planted ... the nightmare grows.

On planet Xarbia, an experimental life form known as "Subject 20" has been created by an elite group of scientists in hopes of preventing a major galactic food crisis. However, instead of prolonging life, Subject 20 is destroying it, and the organism poses a double threat because it constantly changes its genetic structure. Mike Colby, a bounty hunter, is called in to investigate. Suspecting that the scientists are keeping something from him, Colby soon discovers why ...