In this fresh and innovative middle grade fantasy, imagination matters most in a world where art can keep monsters trapped—or set them free. Lots of twins hav
1964 Dr. Bernard says this is the true home of the flying saucers. the epoch-making significance of Adm. Byrd's flight for 1,700 miles into the North Polar open
Beliefs in mysterious underworlds are as old as humanity. But the idea that the earth has a hollow interior was first proposed as a scientific theory in 1691 by
In 1836, Mason Algiers Reynolds leaves his family's Virginia farm with his father's slave, a dog, and a mule. Branded a murderer, he finds sanctuary with his he
1983 Highly illustrated. Gives much valuable information on the hollow earth, hollow earth societies, early hollow earth pioneers or "In-Earthologists".