Jerry Morgan accepts his scientist uncle's offer to transport him to Mars



Otis Adelbert Kline : adventure novelist
"Jerry Morgan accepts his scientist uncle's offer to transport him to Mars for a series of thrilling adventures and exploits featuring terrible monsters, fantastic societies, and gorgeous princesses in the Edgar Rice Burroughs tradition. "


http://www.fantasticfiction.co.uk/k/otis-adelbert-kline/outlaws-of-mars.htm