内容简介：
This adventure is about three young boys and their dog who live in a logging camp in Oregon. They sail their the Jolly 3 + 1 from the Mill Pond into the uncharted heart of the dangerous Klamath River and are immediately swept into the rapids. Their raft is smashed to pieces. Miles from home, alone in thon the Mountain, they will face wild animals and dangers from the unknown. It will take all their resorfulness and determination to get safely home. They will discover courage they did not know they had and the true meaning of companionship.