Orbit One by Mel Jay
Modern Promotions, 1966(?)
Price I paid: none
IN THE DEPTHS
a strange intelligence was directing the destruction of the little band of humans on Kolar.
So far the colonists had been beset by fires and floods, hurricanes and tidal waves. Glen Bridger, their leader, knew these catastrophes were occurring too often to be the world of Mother Nature. But the new planet had been explored and was completely uninhabited.
Kolar must be concealing some alien life force. But where?