- Andrew jackson's presidency
- The amazing human body
- Mathematics in the real world
- Inventing the skateboard
- We're the center of the universe!, science's biggest mistakes about astronomy and physics, Christine Zuchora-Walske
- Weather robots, Christine Zuchora-Walske
- Key discoveries in Earth and space science, Christine Zuchora-Walske
- Engineering the pyramids of Giza, by Christine Zuchora-Walske
- Antibiotics, by Christine Zuchora-Walske ; content consultant, Erika Ernst, Associate Professor, University of Iowa College of Pharmacy
- Mountain lions, by Christine Zuchora-Walske
- Engineering the Pyramids of Giza, Christine Zuchora-Walske
- The Transcontinental Railroad
- Killer whales, built for the hunt
- Leaping grasshoppers, by Christine Zuchora-Walske
- Let's make some gold!:, science's biggest mistakes about geology and ecology, Christine Zuchora-Walske
- Bionic eyes, Christine Zuchora-Walske
- Let's make some gold!, science's biggest mistakes about geology and ecology, Christine Zuchora-Walske
- That bull is seeing red!, science's biggest mistakes about animals and plants
- We're the center of the universe!:, science's biggest mistakes about astronomy and physics, Christine Zuchora-Walske
- Energy in the real world
- Energy in the real world, by Christine Zuchora-Walske
- Robots at home, Christine Zuchora-Walske
- That bull is seeing red!:, science's biggest mistakes about animals and plants, Christine Zuchora-Walske
- Your head shape reveals your personality!:, science's biggest mistakes about the human body
- Self-Driving Cars
- Self-driving cars, Christine Zuchora-Walske
- Solar energy, Christine Zuchora-Walske
- Photosynthesis, by Christine Zuchora-Walske
- Your head shape reveals your personality!, science's biggest mistakes about the human body, by Christine Zuchora-Walske
- How can I be a good digital citizen?, Christine Zuchora-Walske
- Key discoveries in life science
- Let's look at prairie dogs, Christine Zuchora-Walske
- Internet censorship, protecting citizens or trampling freedom?, by Christine Zuchora-Walske
- Robots at home, Christine Zuchora-Walske
- Living with asthma, by Christine Zuchora-Walske ; content consultant, Robin Evans-Agnew, RN, PhD, Assistant Professor, Nursing and Healthcare Leadership, University of Washington, Tacoma
- The Berlin Wall
- Poland
- Let's Look at Prairie Dogs, Christine Zuchora-Walske
- Antibiotics
- Living with asthma
- Working in math
- How can I be a good digital citizen?, Christine Zuchora-Walske
- Bionic eyes, Christine Zuchora-Walske
- We're the center of the universe!, science's biggest mistakes about astronomy and physics, Christine Zuchora-Walske
- Photosynthesis
- The Tuskegee Airmen, by Christine Zuchora-Walske
- That bull is seeing red!, science's biggest mistakes about animals and plants, by Christine Zuchora-Walske
- Your mission to Venus, by Christine Zuchora-Walske ; illustrated by Scott Burroughs
- Pythons
- Your mission on Earth, by Christine Zuchora-Walske ; illustrated by Scott Burroughs