The deadly Madame Atomos is a brilliant but twisted Japanese scientist who is out to avenge herself against the United States for the bombings of Hiroshima and Nagasaki, where she lost her family. Opposing her are Smith Beffort of the FBI, Dr. Alan Soblen, and Yosho Akamatsu of the Japanese Secret Police. This classic French sci-fi thriller series from the 1960s is presented in English for the first time translated by Brian Stableford. In the first two novels collected here, Madame Atomos unleashes radioactive zombies in New York and giant mutated spiders in Texas.