- ISBN: 9781101657287 (electronic bk.)
- ISBN: 1101657286 (electronic bk.)
- Physical Description: 1 online resource (180 pages) : illus.
- Publisher: New York, Grosset & Dunlap 
|Summary, etc.:|| When they journey to Alaska to help a friend who feels his life is in danger, the Hardy brothers find their own lives threatened.
|Source of Description Note:|| Description based on print version record.
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Mystery and detective stories.
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