The Planet Earth Britannica Discovery Series CD-ROM is a comprehensive educational resource produced by Encyclopedia Britannica. This CD contains a wealth of information about our planet, suitable for both Windows and Mac operating systems. With a standard license category, this unit allows for a single device to access the valuable content in English language. Perfect for those interested in exploring the wonders of our world, this CD-ROM offers a convenient and informative way to learn about various topics related to planet earth.