Incoming Resources
- Rocks, minerals and soil, [author, Brian Knapp]
- Seed, soil, sun, Earth's recipe for food, Cris Peterson ; photographs by David R. Lundquist
- Dirt, by Ellen Lawrence ; consultants, Suzy Gazlay, MA, recipient, Presidential Award for Excellence in Science Teaching, Kimberly Brenneman, PhD, National Institute for Early Education Research, Rutgers University, New Brunswick, New Jersey
- Soil, by Chris Bowman
- Rocks and soil, Rebecca Rissman
- Under your feet, written by Dr. Jackie Stroud ; RHS author and consultant Dr. Marc Redmile-Gordon ; illustrated by Wenjia Tang