In this sequel to At the Earth's Core, return to the world of Pellucidar-an exotic, savage land at the center of the Earth, an untamed wilderness where the sun never sets. When American explorer David Innes first discovered Pellucidar, he fell under the spell of the strange world, earning the respect of many, the undying hatred of a few, and the love of the beautiful Dian. Torn from her arms by trickery, Innes vows revenge and returns to the Inner...

"Give your child a smart start with the revised and updated What Your Fourth Grader Needs to Know How can you help your child at home? This book answers that important question and more, offering the specific shared knowledge that thousands of parents and teachers across the nation have agreed upon for American fourth graders. Featuring sixteen pages of full-color illustrations, a bolder, easier-to-follow format, and a thoroughly updated curriculum,...

A geophysical team, who are investigating the effect radiation from other solar systems has on the Earth, learn that the core of the Earth is heating up and warn the President of the United States. While the leaders of the world race to build 'arks' to escape the impending doom, volcanic eruptions and earthquakes of unprecedented strength wreak havoc all over the world.

"Simple text and full-color photographs describe the hottest places on the planet"--

A scientist leads an expedition into the interior of the Earth, where fierce dinosaurs and an intelligent reptilian race battle a primitive human civilization.

Naked Earth offers an illuminating and thoroughly riveting account of the pioneering geophysicists of today. Around the globe, from the California desert to the Siberian tundra, the enthralling picture of inner earth emerges through their breakthrough investigations and heated debates. We learn of outdated theories that have been disproven by bold new scientific concepts, dazzling detective work, and immensely powerful technology, which have radically...

This book introduces young readers to the Earth's layers, from the rocky crust to the dense inner core. Plate tectonics and early continents are among the topics discussed. Color illustrations and photographs, a glossary, a bibliography, a list of useful websites, and hands-on activities and projects are also provided.

Frog--and Science Hero--Professor Albert Hopper travels with his niece Polly and nephew Tad to the center of the Earth, encountering prehistoric cavefrogs, dinosaur fossils, and Yeti on the way.

"Illustrates the layers below Earth's surface, from crust to core, and the plants and animals that live within"--