Books like Treasure Mountain
Louis L'Amour
Treasure Mountain is 187 pages, about 3 hours 26 minutes at 250 words a minute.
12 books to read next
How long each takes
The Man of the Forest 6.4 h 
Cities of the Plain 5.5 h 
Berserker 5.7 h 
Butcher's Crossing 5.0 h 
The Treasure of the Sierra Madre 5.7 h 
Streets of Laredo 10.0 h 
The Chase 7.6 h 
Comanche Moon 13.8 h 
Texas! Chase 6.1 h 
Texas! Sage 6.2 h 
Centennial 1 17.1 h 
Little Big Man 8.2 h Bar height shows length. Estimated at 250 words a minute.