Sybil

Flora Rheta Schreiber. First edition. NAP. Chicago: Henry Regnery Company, 1973. Both unclipped dust jacket and hardcover are in Very Good+ condition. There is a small chip on top front of jacket. 

Considered one of the most famous cases of "multiple personality disorder," which brough popular attention to the phenomenon. A true story of a woman possessed by 16 separate personalities. The basis for the 1976 television film.