Arbieroo rated Close to Critical: 2 stars
Close to Critical by Hal Clement
From back cover Ballantine paperback July 1975:
CRISIS ON TENEBRA
Shrouded in eternal gloom by its own thick atmosphere, Tenebra …
From back cover Ballantine paperback July 1975:
CRISIS ON TENEBRA
Shrouded in eternal gloom by its own thick atmosphere, Tenebra …