Amazing Robots: Robots in Space
Principles of Science: Principles of Astronomy
Inventions That Changed the World: Robert Goddard and the Rocket
Spectacular Space Science: Exploring Comets, Asteroids, and Other Objects in Space
Cutting-Edge Science and Technology: Space Exploration
Spectacular Space Science: Exploring Beyond the Solar System
Launch into Space!: Exploring the Moon
Launch into Space!: Astronauts Explore the Galaxy
Out of This World: The Universe
Rourke's World Of Science Encyclopedia: Astronomy and Space
Let's Explore Science: Our Place in Space
Freaky True Science: Freaky Space Stories
Science in Action: Science of Stars: Exploring Matter
Let's Explore Science: Information Waves
Let's Explore Science: Seasons, Tides, and Lunar Phases