Moon dust that comes alive in an attempt to destroy the invaders from Earth . . .
A diabolical snare set on a fiery star for a desperate inter-galactic fugitive . . .
An alien 'primitive' life form that has the last laugh on condescending space-men . . .
This is a perverse Pandora's box of startling surprises and deadly perils - nine breakthrough stories by one of the most exciting and imaginative talents of SF
Hal Clement (1922-2003) graduated from Harvard and held degrees in astronomy, chemistry and education. A former B-24 pilot, he worked for most of his life as a high-school science teacher. He gained his reputation as an SF writer in ASTOUNDING and MISSION OF GRAVITY first appeared there in 1953.