Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. The Outlaws of Mars -  The Outlaws of Mars is a science fiction novel by Otis Adelbert Kline in the planetary romance subgenre pioneered by Edgar Rice Burroughs. It was originally serialized in seven parts in the magazine Argosy beginning in November 1933. It was first published in book form in 1961 in hardcover by Avalon Books in 1961; the first paperback edition was issued by Ace Books in the same year.
The answer to this question is:
Written Work