Ever wonder where your taxes go? It’s not all used to build aircraft carriers and to maintain the White House.
Many government agencies make information they gather available to the public. A good source for this information is the Federal Citizen Information Center (http://publications.usa.gov/USAPubs.php).
The Publications.USA.gov web site contains over a dozen general areas (E.g. computers, employment, health, history, etc.) The documents available are free or low in cost.