The Master Mind of Mars is the sixth novel in Edgar Rice Burroughs' amazing Barsoom series. Ras Thavas must recover the body of his beloved Valla Dia so that her brain may be restored to its rightful body. This edition has a new introduction by World Fantasy Award winner Darrell Schweitzer. Schweitzer, the former Editor of Weird Tales and a pre-emanate scholar of fantastic fiction, places the Barsoom novels in their proper context. These novels will transport you to a lush Mars that never was. A