Science Fiction Adventures, December 1956

This issue of *Science Fiction Adventures* (Vol. 1, No. 6, December 1956) contains three complete science-fiction novels and a bonus short story. "The Starcombers" by Edmond Hamilton follows scavengers of ancient ruins who profit from excavating the remnants of dead civilizations until a confrontation with the cleft-men forces them to reconsider the value of lost cultures. "Secret of the Green Invaders" by Robert Randall depicts Earth subjugated by alien conquerors, with a handful of human resistance fighters discovering an unexpected weapon. "Battle for the Thousand Suns" by Calvin Knox and David Gordon centers on protagonist Dane Regan's one-man vendetta against a galactic empire. "Hadj" by Harlan Ellison serves as a bonus short story about a mysterious doorway to the universe. The issue features editorial content and reader letters.