Kaldar World of Antares

The complete trilogy as originally published in the 1930's:

Kaldar, World of Antares: A stupendous novelette of a world far removed from Earth, of the Chan of Kaldar, and the spider-people from beyond the metal mountains.

The Snake-Men of Kaldar: Another mighty tale of Kaldar, world of Antares--a tale of red warfare against a race of monsters on a distant planet.

The Great Brain of Kaldar: A superb tale of distant Kaldar, world of the great star Antares .