John Muchow is the author of Core J2ME Technology and MIDP, (Sun Microsystems Press and Prentice Hall PTR, 2002). John writes extensively about J2ME and maintains the wireless developer Web site Core J2ME (http://www.CoreJ2ME.com). The site contains an abundance of source code, articles, developer tools/resources, and links to the latest J2ME software. John is also founder of The Wireless Mind, Inc. (http://www.TheWirelessMind.com), a business that provides training for wireless developers specializing in J2ME. In addition to open enrollment and on-site training, a Web-based class will be available in early 2002.