Title: Cold Sweat
Description: Frank and Joe discover that working out in Bayport's new superspa can be hazardous to their health--one patron winds up in the hospital and another is found dead. The boys suspect that underworld thugs are involved--the kind of thugs who stop pumping iron to start spraying lead.
Subjects: series:HardyBoys, collectionID:HBCFS, Children's fiction, Mystery and detective stories, Hardy boys (fictitious characters), fiction