This publication presents 100 careers the U.S. Department of Labor and other sources project as the fastest growing through the year 2006. A shaded bar on the bottom of the title page of each article contains a listing of codes for three commonly used government classification systems. Shaded bars at the bottom of other pages provide quick facts. Each article contains the following sections: definition (the duties and responsibilities of the career); nature of the work (an average day for a worker, including primary and secondary duties; types of tools, machinery, or equipment used and other types of workers they interact with); requirements (the formal educational requirements necessary to become employed in the field; training sources; certification, licensing, and continuing education requirements; and helpful high school and college classes); opportunities for experience and exploration (ways to explore the field); methods of entering (tips on how to land a first job); advancement (the career path and tools needed to proceed in the career); employment outlook (the potential long-term outlook); earnings (salary ranges for beginning, midrange, and experienced workers); fringe benefits; conditions of work (a typical day on the job); and sources of additional information (contact information for resource organizations). (YLB)