Synopsis: From the back cover of the Del Rey first edition: "The magic of Cathy - Long and long ago, before the foreign devils came, old China was a land of ancient culture and strange magic. There Li Fong, a student apothecary, seemed the luckiest of men. By what had to be happy chance, he had been led to take two charming and quite wealthy ladies as his wives. How could he know that his loving and beloved Mei Ling and Meilan were really spirit-demons? Ot that the great snake that came to his aid was really Mei Ling in her natural form. But the wicked Taoist magician Chang Lu knew the truth and plotted evil for Li Fong and his wives. Nor could the magic of Mei Ling prevail though she struggled to protect her husband and gain true humanity for herself. In the end, she could only summon the beautiful and terrible dragons to her aid!"