From cover: "In the frozen reaches of the Antartic, deep in the permafrost, the World Ecology Bureau uncovers two of the strangest pods ever known to man - two pods that have been buried in ice for thirty thousand years. Then, one of the pods is destroyed, and the second is stolen... The pod ia an alien Krynoid - hostile to all animal life - including man. Only Doctor Who is able to stop its spreading tentacles of destruction. But will he be in time to save mankind?