Your not the first to mention this to me.
It is one my dreams to lead an expedition to the North Pole and journey into the Earth. If I can reach Pellucidar - I shall finally have the power to overthrow the surface world - and take my rightful place as Overlord of this planet.
At the Earth’s Core
Book Illustration by Mahlon Blaine (1962)
Frank Frazetta’s - At the Earth’s Core - Portfolio (1968)
ERBzine: Edgar Rice Burroughs Web Museum and Weekly Online Fanzine
At the Earth’s Core “Prospector”
At the Earth’s Core (1976)