48 CAUGHT IN ENEMY AGENT ROUND-UP...BUT THE 49TH HAS THE A-BOMB...and it's set to explode on U.S.soil! (original poster)
SPIES ASSEMBLE A-BOMB IN U.S. (original poster-all caps)
PLOT TO BLAST AMERICAN EXPOSED! (original poster-all caps)
CAN AN ENEMY A-BOMB BE SMUGGLED INTO THE U.S.A.? (original print ad-all caps)

See also

Plot Summary | Synopsis | Plot Keywords | Parents Guide

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