Incoming Resources
- Igneous rocks, by Grace Hansen
- Igneous rocks, Richard Spilsbury
- A look at igneous rocks, Cecelia H. Brannon
- Rocas ígneas, Grace Hansen
- How do volcanoes make rock?, a look at igneous rock, by Ellen Lawrence ; consultants: Shawn W. Wallace, Department of Earth and Planetary Sciences, American Museum of Natural History, New York, New York, Kimberly Brenneman, PhD, National Institute for Early Education Research, Rutgers University, New Brunswick, New Jersey
- What are igneous rocks?, Elisa Peters