Doorway to Kal-Jmar

A science fiction novel written in the early mid-20th century. The story revolves around the evil exploits of Syme Rector, a notorious outlaw who seeks to uncover the secrets of the fabled ancient city of Kal-Jmar, believed to hold untold wealth and advanced technology guarded by impenetrable barriers. The novel explores themes of greed and betrayal, set against the backdrop of Mars, where the remnants