Let's Explore Science: Seasons, Tides, and Lunar Phases
Let's Explore Science: Our Place in Space
Launch into Space!: Exploring the Stars
Spectacular Space Science: Exploring the Outer Planets
Launch into Space!: Exploring the Solar System
Freaky True Science: Freaky Space Stories
Out of This World: Space Travel
Science in Action: Science of Stars: Exploring Matter
Launch into Space!: Exploring the Sun
Launch into Space!: Exploring the Moon
Cutting-Edge Science and Technology: Astronomy
STEM in the Real World: Astronomy in the Real World
The Galaxy Guides: Why Do We Have Night and Day?
The Galaxy Guides: Are There Other Galaxies?
The Galaxy Guides: Why Is the Moon Not a Planet?
Tech Girls: Careers for Tech Girls in Engineering
The Galaxy Guides: Could We Survive on Other Planets?
The Sun-Centered Universe and Nicolaus Copernicus