"The Saddle Boys of the Rockies; Or, Lost on Thunder Mountain" by Captain James Carson is a juvenile adventure novel published in 1913. When Frank Haywood and Bob Archer venture into the Rocky Mountains to investigate a mysterious thunderous noise, they find themselves lost on Thunder Mountain. The two young friends must rely on their courage and frontier skills as they face the unknown perils of the wilderness. What secrets will they uncover in these treacherous peaks? (This is an automatically generated summary.)