Amazon.com description: Product Description: Captain Ulysses Paxton is transported to Mars in this sixth installment of Edgar Rice Burroughs' Barsoom series. After being mortally wounded, Paxton, like John Carter, wakes up on the strange world of Barsoom. He's rescued by Ras Thavas, the "master mind" who has perfected brain transplants. With this skill he can give the rich and powerful young new bodies. Paxton, renamed Vad Varo, is trained as Ras's assistant. Soon Vad finds himself doubting his benefactor's integrity. When the kidnapped princess Valla's body is given to an evil queen, he must restore the princess to her rightful body. Vad is aided in his quest by Hovan Du, an ape-man who was victim to Ras Thavas's experiments. With the help of new Barsoomian friends, will he succeed and restore order to the Barsoom universe? Hold your breath. We will leave you discover yourself by reading this story.