Trails.com - Offers subscription service for all USGS topo maps and over 44,000 trail maps. Free demo subscription. Tumonz - Offers an electronic map of New Zealand. Includes FAQs, downloadable user guide, updates, and describes uses for hunting, fishing, hiking, and travel and with GPS. Centennia Software - Publishes the Centennia Historical Atlas, a map-based guide to the history of Europe and the Middle East from 1000 A.D. to the present. Cartografx Corporation - Vector-based topographical, political, and bathymetric World Atlas for Windows. EverlyMap - Create GIS maps by editing shapefiles, tracing automated downloads of USGS PhotoMaps from Terraserver, or entry of survey calls from land deeds. For use by non-professionals. Shareware. Memory Map - GPS compatible digital maps for PDAs and Windows. Digital Wisdom - Publisher of Mountain High Maps, relief map projections and globe views encompassing the world, continents, and individual countries on CD-ROM. Catalog, images, and detailed map specifications. Graphic Flash Sources - Interactive maps of world, continents, and countries, to be used on websites. iMapBuilder - Windows software for creating clickable interactive maps to be used on websites or CD. Maps Alive - Online software for creating interactive maps, floor plans and diagrams for use on websites. Ammap - Service for creating and supplying customized, interactive maps, to be used on websites for a monthly fee.