Pellucidar is a fictional Hollow Earth milieu invented by Edgar Rice Burroughs for a series of action adventure stories. These initially involve the adventures of mining heir David Innes and his inventor friend Abner Perry after they use an "iron mole" to burrow 500 miles into the Earth's crust ("At The Earth's Core"). Later protagonists include indigenous cave man Tanar and additional visitors from the surface world, notably Tarzan, Jason Gridley, and Frederich Wilhelm Eric von Mendeldorf und von Horst.
David Innes is a young man who has just inherited a large mining company. An eccentric inventor, Abner Perry, convinces Innes to underwrite a project to build an 'iron mole', claiming it will make them both wealthy. The mechanical beast works well... Read More »