The Master Mind of Marsis the sixth installment in theMartian series. It was published as a novel by A. C. McClurg in March, 1928, after being serialized in the magazineAmazing Stories Annualin 1927.
Ulysses Paxton, the first Earthman to follow the trail to Mars blazed by John Carter, becomes an apprentice of the brilliant, arrogant, and utterly amoral Ras Thavas, dealer of youth and beauty to the elites of Mars—until Paxton,...