Incoming Resources
- X-ray earth, produced by Base Productions, Inc., for National Geographic Channels ; executive producers : John Brenkus, Mickey Stern, Robert Curran
- Geology, David A. Rothery
- Evolving planet, four billion years of life on earth, by Erica Kelly and Richard Kissel
- The street beneath my feet, Charlotte Guillain and Yuval Zommer
- The field guide to geology, David Lambert and the Diagram Group
- Water land, land and water forms around the world, Christy Hale
- The magic school bus, inside the Earth, by Joanna Cole ; illustrated by Bruce Degen