Flock: The Autobiography of a Multiple Personality Who is Joan Casey from Flock: The Autobiography of a Multiple Personality and what is their importance? Asked by bookragstutor on 25 Oct 12:44 Last updated by Jill W on 27 Nov 11:11
Joan Casey served as the host to the Flock. Once the personalities were unified, she said she preferred to be called Joan rather than Jo.