At 16, Mary Wollstonecraft shocked England when she ran away with her married lover, the tempestuous, brilliant poet Percy Bysshe Shelley. then, at 20, she secured her place in history by writing "Frankenstein", now acknowledged as one of the great literary classics of all time. This biography recounts the life and loves of this legendary woman, from her youth as the daughter of a philosopher and a pioneering feminist, through her passionate, turbulent marriage, and her career as a writer and editor.