Science Fiction Adventures, April 1957

# Science Fiction Adventures, April 1957

This issue contains three complete science fiction novels. "Clansmen of Fear" by Henry Hasse concerns a post-apocalyptic community living within a radioactive zone that provides life-sustaining energy; those who leave the zone face cellular dissolution. Elder Donal struggles to maintain order as young women including his ward Kathri begin surviving extended periods outside the zone's boundaries, suggesting transformation. The narrative intersects with a second storyline involving Commander V'Naarik of an interstellar vessel experiencing catastrophic power loss in an unknown sector.

"Gulliver Planet" by Daniel F. Galouye depicts humanity enslaved by microscopic alien entities capable of inhabiting and controlling human bodies. "Spawn of the Deadly Sea" by Robert Silverberg portrays Earth transformed by alien sea-dwelling masters who are returning to reclaim their conquest. The issue includes editorial content, reader correspondence, and interior illustrations by Bowman, Emsh, and Engle.