At the Earth’s Core Audiobook (Free)

They found themselves within a prehistoric land-thousands of miles underground.

When David Innes and his inventor friend pierced the crust of the planet earth in their new burrowing device, they broke right into a strange fresh inner world of eternal daylight where prehistoric monsters still lived and cave men and women battled against cruel, inhuman experts.

The story of what both of these men did for the reason that new world of Pellucidar makes At the Earth’s Core one of Burroughs’ most outstanding bestsellers.