Stanley G. Weinbaum 
Martian Odyssey 

Set on a Mars that never was. Dick Jarvis, one of the members of the first space ship to reach Mars sets out on a solo expedition to photograph the countryside. His Rockets engine gives out 800 miles from the ship and he is forced to walk back. Accompanied by a Martian that he saved from certain death Jarvis must face one danger after another if he is to get back home.