Earth Quest 1.1 Create a 3D volcano, set off an earthquake and watch its seismic affect in this comprehensive and interactive geological reference. Ages 9 up Win 98 ME 2000 XP Vista $19.99 Encyclopedia of Endangered Wildlife Created in response to global concern for the environment to increase awareness of how and why species are disappearing. Ages 11 up Win 95 98 ME XP Vista Mac 7.5.3/8/9/X Classic $29.99 Quantity: Quantity:

Encyclopedia of Our Living Oceans Climb aboard a research ship and learn about underwater worlds in this comprehensive marine resource. Ages 11 up Win 95 98 ME XP Mac 7.5.3/8/9/X Classic $29.99 Eyewitness Encyclopedia of Nature 2.0 An exhilarating journey through the world of nature and fascinating lives of hundreds of species of animals and plant life. Ages 9 up Win 95 98 ME 2000 XP Mac 7.5/8/9/X Classic $29.99 Quantity: Quantity:

Eyewitness Encyclopedia of Science 2.0 Dissolve the mysteries of chemical reactions, understand the principles of light, motion, electricity and learn about the great thinkers of science and how they made their amazing discoveries. Ages 9 up Win 95 98 ME 2000 XP Mac 7/8/9/X Classic $29.99 Eyewitness Encyclopedia of Space and the Universe (MAC version) Explore the planets and stars in a "virtual planetarium" or test your skill at landing a lunar module or launch a rocket into space! Ages 9 up Mac 7/8/9/X Classic $29.99 Quantity: