The following books and websites contain additional information, activities, and enrichment options.
- What Is a Plant?
- Bobbie Kalman, Crabapple, 2000
- Flowers, Trees, and Fruits
- Sally Morgan, Kingﬁsher, 2002
- The Cycle of Your Life
- Rebecca Weber, Compass Point, 2004
- Castles, Caves, and Honeycombs
- Linda Ashman, Harcourt, 2001
- Around One Cactus
- Anthony D. Fredericks, Dawn, 2003
- Wetland Animals
- Francine Galko, Heinemann, 2002
- The Electronic Naturalist
- Garden Mosaics
- Using Live Insects in Elementary Classrooms