The Swordsman of Mars + The Outlaws of Mars

Otis Adelbert Kline was a notable early twentieth-century author, primarily distinguished for his contributions to the science fiction and fantasy genres. Born on July 1, 1891, in Chicago, Illinois, he showed literary promise from a young age. Kline's works are frequently compared to those of his contemporary, Edgar Rice Burroughs, particularly for their shared thematic interests in planetary roma...