Book of Donmon Teith

Die-cut holes make learning about the Earth fun. On board pages.

Explore our amazing planet through detailed cross-section illustrations, transparent acetate layers, and informative text. From below the seafloor and inside vo

In this gripping sci-fi novella from award-winning writer Poul Anderson, the galaxy has been taken over by a regime known as Valgolia, whose brutality and ruthl

Explore Earth's layers from the crust down to the inner core. Learn about tectonic plates, convection currents, Earth's magnetic field, and more. Additional fea

1983 Highly illustrated. Gives much valuable information on the hollow earth, hollow earth societies, early hollow earth pioneers or "In-Earthologists".