_On Venus, if one rings a doorbell, or bangs on a locked gate at night, it is adventure. You never know who--or what--will answer your summons. The door swings slowly open and you brace yourself to look. Will it be maid--or monster--or both?_ [Transcriber's Note: This etext was produced from Planet Stories July 1953. Extensive research did not uncover any evidence that the U.S. copyright on this publication was renewed.]…
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