Dinosaur Days

David C. Knight

Joel Schick

McGraw-Hill Text

For hundreds of years people have seen mysterious lights and flying objects in the heavens. Some of these sightings have been explained as optical illusions or phony pranks. But in many cases, the objects are never identified! What can we believe? Is there life in other worlds? Here are the facts regarding the U.S. Air Force investigations and the many different kinds of UFO's - complete with photographs.

Those Mysterious UFO's: The Story of Unidentified Flying Objects

Literature & Fiction

Contemporary

GROVE PRESS

Poltergeists: hauntings and the haunted (The Weird and horrible library)

Accounts of eleven famous poltergeists of the last few centuries, theories about them, studies of where, who, and why they haunt, and suggestions on what to do if you encounter one.

Religion & Spirituality

Occult & Paranormal

Lippincott

Let's Find Out About Magnets

Franklin Watts, Incorporated

The Sun (1st Book Of)

<p>Text and pictures describe lesser-known prehistoric reptiles that swam and flew.</p>

Dinosaurs That Swam and Flew

Children's Books

Simon&Schuster Children's Publishing

Harnessing the sun: The story of solar energy

Business & Money

Economics

Morrow

Christopher Columbus as a boy dreamed of being a sailor. Because of this dream he became the first in modern history to discover America. This exciting children's book tells Columbus' story.

Christopher Columbus (I Can Read About)

Troll Communications Llc

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Books by David C. Knight