(Unsigned Hardcover Novella) A fox who reaches the age of fifty gains the ability to transform into a human woman. A fox who reaches the age of one hundred can transform into either a beautiful young girl or a handsome young man at will and can sense the world around them to a distance of over four hundred leagues. A fox who reaches the age of one thousand years, however, becomes a Heavenly Fox, an Immortal of great power, able to commune with the gods themselves.From the Hsuan-Chang-Chi of Kuo Pu