Collecting the "Pellucidar" and "At the Earth's Core" comic stories that originally appeared in DC Comics' Weird Worlds, this volume takes readers along for the journey as explorers descend to the land of Pellucidar, located at the center of the earth. In a story originally conceived of by Edgar Rice Burroughs, our explorers find a land inhabited by prehistoric reptiles, strange creatures, and beings enacting dark rituals. But most importantly, they discover the beautiful Dian, Queen of Pellucidar, who captures their hearts and leads them on a wild adventure to aid her and win her trust.