Natural Resources  by Louise Spilsbury

Soil  by Alice K. Flanagan, Simple Science Series

Soil  by Kate Walker

Soil  by Chris Oxlade

How do Animals Make Soil?  by Ellen Lawrence

Micro Life in Soil  by Natalie Hyde

What’s Soil Made of?  by Ellen Lawrence

Explore Soil!  by Kathleen M. Reilly

Soil, Silt and Sand: Layers of the Underground  by Jody Sullivan