Rookie Read-About Science (1992–2005)
- Frogs and Toads, and Tadpoles, Too (1992)
- How Do You Know It's Fall? (1992)
- All the Colors of the Rainbow (2001)
- From Seed to Plant (2001)
- Inside an Ant Colony (2001)
- It Could Still Be a Flower (2001)
- What Magnets Can Do (2001)
- Solids, Liquids, and Gases (2005)