Moonbeast

One of the finest writers in the golden age of science fiction--and inventor of the intricatley plotted form of SF known as the space opera--offers the story of a flawed hero possessing almost superhuman strength. When his wife is kidnapped, war veteran Jim Pendrake embarks upon a search that takes him to a lost colony on the moon--and a secret, sinister society. Originally published in Astounding Science Fiction.