The X Factor
Andre Norton
Rated: 3.75 of 5 stars
3.75
· 8 ratings · 224 pages · Published: 1965
For Mimir was a world of strange relics, of beasts that were more than beasts, and of a ruined city whose shadows bespoke a higher and weirder civilization than any the galaxy had yet discovered. It was to fall to Diskan's lot to meet head-on that ancient world's "X Factor," and to settle the fate of a planet with his reaction.