The Bigelow Laboratory for Ocean Sciences has developed a comprehensive CD-ROM on phytoplankton and its role in the marine ecosystem. It is entitled "Phytopia: Discovery of the Marine Ecosystem" (Learn more by accessing a 2-page Acrobat Reader file: http://www.bigelow.org/phytopia/phytopia.pdf). "Phytopia" is available through an on-line order form (http://www.bigelow.org/phytopia).