Assignment on Venus

A man embarks on a challenging mission on Venus, tasked with delivering a sealed message that contains his dishonorable discharge from the service. As he navigates the treacherous Blue Mold Swamp, he encounters a group of Earthmen who are involved in a scheme to exploit a rejuvenating substance known as Deleon Salts, which is vital to the native Kamali people. The protagonist faces a moral dilemma as he grapples with the implications of his mission and the potential consequences of the Earthmen's plans, which threaten both his career and the safety of the local population.