Alcatraz of the Starways
Author: first_name: Albert
last_name: dePina
first_name: Henry
last_name: Hasse
Language: English
Year: 1943

Mark Denning and his new ally Aladdo, a winged Venusian navigate the deadly Venusian Prison Swamp uncovering larger political conflicts between Earth and Venus, a cosmic struggle between the planets. - Summary by Cyndajm