Thad, a college professor who moonlights as a writer of pop thrillers under the pseudonym George Stark, finally writes a serious novel, and decides to stop writing shockers. But George Stark has come to life and doesn't want to die. Thad is forced to battle his own creation for the control of the mind which both must share.
Authors -- Fiction.
Authors, American -- Fiction.
Conjoined twins -- Fiction.
Identity (Psychology) -- Fiction.
Murder -- Fiction.