eventually leading a horde of Tharks against the city-state of Zodanga, the historic enemy of Helium. Winning Dejah Thoris' heart, he becomes Prince of Helium, and the two live happily together for nine years. However, the sudden breakdown of the Atmosphere Plant that sustains the planet's waning air supply endangers all life on Barsoom. In a desperate attempt to save the planet's inhabitants, Carter uses a secret telepathic code to enter the factory, bringing an engineer along who can restore its functionality. Carter then succumbs to asphyxiation, only to awaken back on Earth, left to wonder what has become of Barsoom and his beloved. Characters John Carter: An Earthman from Virginia with a mysterious background, Captain John Carter fought in the American Civil War on the Confederate side. At the end of the war he goes prospecting for gold in Arizona. After various adventures, including an attack by Apaches, he is miraculously transported to Mars. During his nine years on that planet he effectively disappears from Earth and is believed dead, but he re-emerges in New York in 1876, settling in a house overlooking the Hudson River. He apparently dies again in 1886, leaving instructions for a fictionalized Burroughs, who refers to Carter as his Uncle Jack, to entomb him in a crypt. He also leaves Burroughs with the manuscript of A Princess of Mars, with instructions not to publish it for another 21 years. John Carter states that he has no memory before the age of 30 and has always appeared the same, without aging. He is adept at strategy, horsemanship, and all weapons, including firearms and swords. He is 6'2" tall, clean-shaven, with close-cropped black hair and steel gray eyes. He is honorable, courageous, and eternally optimistic, even in the face of certain death. From the Green Martians he received the name "Dotar Sojat," after the first two green warriors whom he slew after his advent on Barsoom. He sometimes uses this name as an alias in later books of the Martian series. Dejah Thoris: A red Martian princess of Helium, she is courageous, resolute, and frequently in mortal danger or under threat of dishonor by the evil designs of a succession of villains. She is the daughter of Mors Kajak, Jed (chieftain) of Lesser Helium, and the granddaughter of Tardos Mors, Jeddak (overlord or high king) of Helium. As such she is highly aristocratic and fiercely proud