core

An illustrated introduction to earth science that teaches basic facts about the earth's layers.

Explores causes of both quick and slow changes to the Earth's surface, and examines the materials that make up the Earth.

Mine owner David Innes and inventor Abner Perry set out to test Perry's mechanical prospector and end up in the land of Pellucidar, five hundred miles below the Earth's surface, where they work to unite the warring humans of the subterranean world, and to defeat the reptilian Mahars.

Photographs and illustrations describe the various layers beneath the Earth's surface, the movement of tectonic plates, what causes earthquakes and volcanic eruptions, and how the earth's surface has changed.

A graphic novel based on the Jules Verne classic, in which a group of people journey into the crater of a volcano to find the center of the earth.

Explores the Earth and its chemical foundations, focusing on the topic of geological change, examining the planet's formation, rocky crust, changing rocks, and resources, and including photographs, discussion questions, and investigations.

Discusses the numerous theories about the inner earth and how geophysicists prove or disprove these theories.

Describes the characteristics and formation of Earth's core and mantle, explains how scientists learn about them, and examines the ways they affect Earth's other spheres.