Timber wolves a Rocky Mountain blizzard and a mine cavein are only a few ofthe perils Frank and Joe Hardy encounter during their search for the principalmembers... » 

Timber wolves a Rocky Mountain blizzard and a mine cavein are only a few ofthe perils Frank and Joe Hardy encounter during their search for the principalmembers of a notorious gang responsible for a payroll robbery.In the old Montana mining camp of Lucky Lode the young detectives puzzle overa series of mysterious events. A pianoplaying ghost haunts the longabandoneddance hall. Eerie blue lights flash from the hilltop cemetery in the dark ofnight. Strange men arrange a meeting at Shadow the Bear. A suspect disappearsthrough a curtain of frozen ice.How are these events related to the men who kidnapped the boys in Chicago? Whoboobytrapped the helicopter which flew the young detectives to the ghost town?And what ever happened to Bart Dawson who seemingly deserted his goldminingpartners twentyfive years ago?Clue by clue Frank and Joe cleverly fit into place the scattered pieces ofthis dangerous puzzle and come up with the astonishing solution. «