O*NET is a "source of occupational information, providing comprehensive information on key attributes and characteristics of workers and occupations."

Career, labor force, and economic information for Washington State.

This searchable database (also in book format--search the Library Catalog) "is a nationally recognized source of career information" which tells you the training and education needed for a particular job or field, its earnings, expected job prospects, what workers do on the job, & working conditions.