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“At the Earth's Core“ is a novel by Edgar Rice Burroughs, an American fiction writer, who created such great characters as Tarzan and John Carter of Mars. At the Earth's Core is a fantasy novel, the first in his series about the fictional "hollow earth" land of Pellucidar. The stories initially involve the adventures of mining heir David Innes and his inventor friend Abner Perry after they...

“Pellucidar“ is a novel by Edgar Rice Burroughs, an American fiction writer, who created such great characters as Tarzan and John Carter of Mars. Pellucidar is a fantasy novel, the second in his series about the fictional "hollow earth" land of Pellucidar. The stories initially involve the adventures of mining heir David Innes and his inventor friend Abner Perry after they use an "iron mole"...