* The Big Switch
* Castaways
* City in the Desert
* The Golden Hawks of Genghis Khan
* The Island of the Golden Lizards
* The Lady and the Lawman
* The Magic City
* The Moon-Eyed Horse
* The Secret of Monkey Mountain
* The Song of the Nightingale
* The Treasure of the Incas
* The White Falcon
Non-fiction:
* The History of the United States
* The Geography of the United States
* The Human Body
* The Animal Kingdom
* The Plant Kingdom
* The Wonders of the World
* The Solar System
* The Milky Way Galaxy
* The Universe
* The Science of Everyday Things