You will discover her in almost every generation, in almost every country, in almost every big city-- the Super-Woman. She is not the typical adventuress; she is not a genius. The reason for her strange power is occult. When psycho-vivisectionists have thought they had segregated the cause the formula what you will in one particular Super-Woman or group of Super-Women, straightway some new member of the clan has arisen who wields equal power with her notable sisters, but who has none of the traits that made them irresistible. And the seekers of formulas are again at sea.