Beyond the Solar System: Exploring Galaxies, Black Holes, Alien Planets, and More; A History with 21 Activities

Mini Astronaut's Handbook

Who Was Albert Einstein?

Weather Projects for Young Scientists: Experiments and Science Fair Ideas

The Tornado Scientist: Seeing Inside Severe Storms

Unlocking the Universe

Outdoor School: Tree, Wildflower, and Mushroom Spotting: The Definitive Interactive Nature Guide

My first voyage through the solar system

Alexander Graham Bell for Kids: His Life and Inventions, with 21 Activities

Who Was Neil Armstrong?

Urban Coyotes

Usborne Official Astronaut's Handbook

Inside Biosphere 2: Earth Science Under Glass

Career As A Pilot: What They Do, How to Become One, and What the Future Holds!

Exploring the Solar System: A History with 22 Activities

Knowledge Encyclopedia Space!: The Universe as You've Never Seen it Before

The Young Investigator's Guide to Ancient Aliens

Movie Director

Basher Science: Astronomy: Out of this World!