FYI, and perhaps of some use to you: The Discovery Channel people and describes this service on their DiscoverySchool site as "powered by World Book Online." Users are invited to "Search or browse our new A-to-Z encyclopedia, which includes history, geography, and science articles from World Book Online." http://school.discovery.com/homeworkhelp/worldbook/ Later, Betty _________________________________________________________ Elizabeth L. Brown Digital Reference Specialist Library of Congress, Washington, DC 20540-4604 [log in to unmask] telephone: 202/707-2235 Library of Congress American Memory Home Page: http://memory.loc.gov/ _________________________________________________________