This book, which is intended for high school students, contains descriptions of the top 250 jobs in the United States. Presented first is an introduction that includes tips on identifying jobs of interest, an explanation of the entries provided in each job description, and things to consider when making a career decision. The job descriptions, which are based on those found in the "Occupational Outlook Handbook," are arranged by the following occupational categories: executive, administrative, and managerial occupations; professional specialty occupations; technicians and related support occupations; marketing and sales occupations; administrative support and clerical occupations; service occupations; agriculture, forestry, fishing, and related occupations; mechanics, installers, and repairers; construction trades and extractive occupations; production occupations; transportation and material moving occupations; and job opportunities in the Armed Forces. Each job description includes information about the following: job duties/activities/responsibilities; interesting facts or details related to the job; working conditions, including number of hours worked each week, physical requirements, and possible health hazards; required courses; activities to determine if the job is enjoyable; related jobs; expected average earnings; required education and training; and job outlook. (MN)