Edgar Rice Burroughs (September 1, 1875 March 19, 1950) was an American writer, best known for his prolific output in the adventure, science fiction, and fantasy genres. Best known for creating the characters Tarzan (who appeared in a series of twenty-four books by him) and John Carter (who was a recurring character in a series of eleven books), he also wrote the Pellucidar series, the Amtor series, and the Caspak trilogy.