Earthcomber has created Spot Guides, the free technology that incorporates maps and personal favorites with traditional travel, reference, and other mainstream publications. Among the first offerings are city guides from Mobil Travel Guide (the company's first venture into mobile publishing) and Avalon Publishing's Moon Metro series. <A HREF="http://mobilitynewswire.prwebdirect.com/releases/2005/10/mobilitynewswire302169.htm">Spot Guides run on Palm OS</A> phones and PDAs, and provide location sensing and area searching with or without GPS. Versions for Windows Mobile, cell phones, and BlackBerry devices are in production.