Harl Vincent's Vagabonds of Space and its sequel Creatures of Vibration follow the adventures of Carr Parker and his crew The Vagabonds of Space. The Vagabonds of Space, Carr Parker, his beautiful new wife Ora, her scientist father Detis -- and Car's best friend, the Martian called Mado, crewed the spaceship Nomad. They had traveled to Titan, a moon of Jupiter. to explore -- but sinister and strange vibrations from the rings of Saturn had turned Titan's civilized peoples into savages. Now the Vagabonds of Space were in their hands facing certain death! Harl Vincent was a mechanical engineer who began writing in 1928. That year published The Golden Girl of Munan and over the decades after produced over 70 sci-fi stories and novels.