The following books and websites contain additional information, activities, and enrichment options.
- The Best Book of Fossils, Rocks, and Minerals
- Chris Pellant, Kingﬁsher, 2000
- Ann O. Squire, Children's Press, 2002
- A Handful of Dirt
- Raymond Bial, Walker, 2000
- Christin Ditchﬁeld, Children's Press, 2002
- Learning from the Fossil Record