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Action Comics#240
Cover: Curt Swan & Stan Kaye
Action Comics #240
“Secret of the Superman Sphinx”
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Bill and Janu aid Professor Wakely in finding a small element needed to power his enlarging ray, which has fallen among the long grass. By volunteering to be shrunk to an inch tall, everyday insects now appear like threatening monsters.
Plot details indexed by the Grand Comics Database (CC BY-SA).