Swords of Mars begins as a cloak and dagger thriller and ends as an interplanetary odyssey. In this novel John Carter, transplanted Earthman, returns to his status of protagonist and first-person narrator for the first time since the third Martian novel, The Warlord of Mars. (Wikipedia)
Edgar Rice Burroughs (September 1, 1875 – March 19, 1950) was an American writer best known for his creations of the jungle hero Tarzan and the heroic Mars adventurer John Carter, although he produced works in many genres.(Wikipedia)