Bibliography

1. "Tsunami wave" and "Hurricane" images from Print Shop Ensemble III, Broderbund, 1997.  Use granted with license agreement.

2. Encarta, Microsoft, 1997

3. Wordsearch from http:\\www.puzzlemaker.com

4. Kramer,Stephen, Avalanche, Minneapolis, Carolrhoda, Inc, 1992

5.  Souza, D.M., Powerful Waves, Minneapolis, Carolrhoda, Inc., 1992.

6.  "Tornado", www.germantown.k12.il.us/html/tornado.html

7.  "Volcano1", "Volcano2", "Fires", "Blizzard1", "Blizzard2", "Tornado", "Tornado2", "Earthquake1", "Earthquake2" and "Eartquake3" images from Corel Mega Gallery, Corel Corporation, 1996.  Use granted with license agreement.

8.  All other images and titles are original works created by Adrian, Jonathan, Brian, and Joe. 

9.  Discover the Wonder,  Glenview, Scott Foresman Science, 1993.