Barsoom

Barsoom is a fictional representation of the planet Mars created by American pulp fiction author Edgar Rice Burroughs, who wrote close to 100 swashbuckling action adventure stories in various genres in the first half of the 20th century, and is now best known as the creator of the character Tarzan. The first Barsoom tale was serialized as Under the Moons of Mars in 1912, and published as a novel as A Princess of Mars in 1917. Ten sequels followed over the next three decades, further extending his vision of Barsoom and adding other characters.

The world of Barsoom is a romantic vision of a dying Mars, based on now outdated scientific ideas made popular by Astronomer Percival Lowell in the early 20th century. While depicting many outlandish inventions, and advanced technology, it is a savage, 'frontier' world, of honor, noble sacrifice and constant struggle, where martial prowess is paramount, and where many races fight over dwindling resources. It is filled with lost cities, heroic adventures and undiscovered ancient secrets.