Lee and Ellen brave the horrors of Barter's own laboratory in a tash attempt to crush the omnipotent scientist!The Mind Master is a sequel to the science fiction novel Manape the Mighty. Three months after the events in Africa, Lee Bentley and Ellen Estabrook are back in New York - so is Professor Barter, who is not dead, but is very much alive and equipped with heat and disintegrator rays, a far viewer, and brain implants that permit long-distance hypnotic control.