Robert F. Burgess
Description
While fishing in the Gulf of Mexico, Shandy's landing of a tiger shark lands him and his friend in the thick of a dangerous adventure. Inside the shar
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k is an electronic sensor that emits signals whose origins the United States government is searching for. After being enticed aboard an oceanographic vessel, the two boys end up imprisoned on a Caribbean island, where they discover and try to stop a deadly nuclear plot against the United States.
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