This installment of the series Forces of the Wild shows the effects of the moon and the sun on earth. Actor James Earl Jones narrates this program about how these celestial bodies influence the cycles of earth. See how their passage through space create our days and nights, the change of the tide, and the change of our seasons. Each program in the series includes natural history footage, computer animation, and time-lapse sequences to help illustrate the concepts presented. The series is appropriate for grades seven and higher. ~ Linda J. Shriver, Rovi