*The titanic crossover clash between Edgar Rice Burroughs' worlds of Caspak and Pellucidar continues! The telepathic, pterosaurian Mahars have invaded the island continent of Caspak, sweeping across the prehistoric landscape in a reign of terror. Dian of Pellucidar must find a way to escape from the Mahar's clutches and unite the tribes of Caspak before the ruthless creatures exterminate everything on the continent! *Source: americanmythology.com