When Abner Perry invents a vehicle that drills through the earth, he takes it to his good friend David Ennis for an adventure. Together, they descend into the Earth’s core, uncovering the fantastical inner world of Pellicidar. Here, the sun never sets or rises, replaced by the molten core. Pellucidar is a realm filled with dragons, apes, reptiles, and other bizarre creatures, ruled by sorcerers and their princess, who falls for Our Hero. The heroes soon find themselves in perilous encounters with dragons, making this a thrilling journey into a land of magic and mystery.