This work is one of a series of readers from NASA-sponsored Project 3D-VIEW (Virtual Interactive Environmental Worlds), an interdisciplinary, curriculum-based program for middle schools.

Glen Schuster, Project Director
www.3dview.org
U.S. Satellite Laboratory, Inc.

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Rye, NY 10580
© 2006 U.S. Satellite Laboratory, Inc.

Ilustrations by Rawn Gandy
Layout and Cover by Ricardo Forero