Global Systems Science (GSS) is an integrated, interdisciplinary course for high school, consisting of nine student books, teacher guides, and Interpreting Digital Images software. Each GSS book deals with a societal issue that requires science for full understanding. The books may be sequenced in a custom one-year integrated science course or serve as supplementary materials for existing high school biology, physics, chemistry, Earth science, or social studies courses. You can get GSS books 3 different ways: As a hard copy paper book. As a set of "E-books" (electronic files in PDF format). The CD-ROM has all nine books as electronic files (PDFs). Global Systems Science Home Page CD-ROM with E-Books and Software grades 9-12 GSS E-Book Set Download grades 9-12 A New World View grades 9-12 Climate Change grades 9-12 Ecosystem Change grades 9-12 Life and Climate grades 9-12 Energy Flow grades 9-12 Ozone grades 9-12 Losing Biodiversity grades 9-12 Energy Use grades 9-12 Population Growth grades 9-12 GSS-Full Package grades 9-12 Teacher Guides Teacher Guides Free Download GSS School Site License Permission to display and print all GSS books and software. Credit Cards Accepted: Discover Card, MasterCard, Visa. Lawrence Hall of Science Members receive a 10% discount on all purchases. Your purchases help to support the educational mission of the Lawrence Hall of Science. © 2006 Regents of the University of California