By Andre Norton
Diskan Fentress, mutant son of an interstellar explorer, felt himself misplaced at the luxurious worlds of civilized house. It was once no longer until eventually he stole a spaceship and a trip key to the unexplored planet Mimir that he first felt his latent powers to be of a few worthy. For Mimir used to be a global of odd relics, of beasts that have been greater than beasts, and of a ruined urban whose shadows bespoke a better and more odd civilization than any the galaxy had but found. It was once to fall to Diskan's lot to satisfy head-on that old world's "X Factor," and to settle the destiny of a planet along with his response.