- North America, by Allan Fowler
- Simple machines, by Allan Fowler
- How do you know it's fall?, by Allan Fowler
- Spiders are not insects, by Allan Fowler
- Animals under the ground, by Allan Fowler ; consultants, Linda Cornwell, Fay Robinson
- It's a good thing there are insects, by Allan Fowler ; images supplied by VALAN Photos and Jeffrey L. Rotman ; consultants, Robert L. Hillerich, Mary Nalbandian
- A snail's pace, by Allan Fowler
- Shellfish aren't fish, by Allan Fowler
- Antarctica, by Allan Fowler
- Stars of the sea, by Allan Fowler