Two novels, originally published in March 1936 as "Green Globes of Death" and in September 1935 as "King of the Red Killers" in the pulp monthly publication The Spider, Master of Men!
Two novels, originally published in March 1936 as "Green Globes of Death" and in September 1935 as "King of the Red Killers" in the pulp monthly publication The Spider, Master of Men!