Hardy Boys 30: The Wailing Siren Mystery: The Wailing Siren Mystery
- Format: Kindle eBook
- Number of Pages: 192
Caught in their motorboat the 'Sleuth', by a sudden storm at sea, Frank and Joe Hardy are helpless when the engine conks out. The next day their close pal Chet Morton rushes for the Hardys' home to report that the Morton farm truck carrying a shipment of high-powered rifles belonging to his uncle, a big-game hunter, has been stolen. Drifting farther from shore amid the tumultuous waves, the boys are relieved to see the lights of a yacht. To the young detective's astonishment it proves to be a wallet containing two thousand dollars. Moments later, a helicopter drops an object alongside the 'Sleuth'. The shrill sound of a siren fills the night air. These two apparently unconnected events are clues inside a tangle of mystery which turns out to become one of the detective brothers' most exciting adventures. But their SOS is ignored.
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