: Abe Abercrombie shows up with a tale of a valley of gold in Alaska. Andy Foger steals and copies Abe's treasure map before Tom forces him to return it. Andy is constructing his own airship, a large tri-plane. A race ensues between Tom and Andy to the Valley. The frozen wastes are hazardous and the Red Cloud is wrecked in the collapse of an ice cave. Tom and his party struggle to get the gold back to civilization (Tom Swift Unofficial Home Page).