Chuck Svenson was a citizen of the Moon -- and proud of it! To him, Earth, with its heavy atmosphere, even though it was the "mother" planet, was not the best place in the universe to live. As he rocketed home from a blast point high in the Andes, he anxiously looked forward to the reception he'd receive at Moon City. For he was the only citizen from Earth's satellite to be selected by the United Nations' interplanetary commission as a crew member for the first ship to attempt a flight from Moon to Mars...