The House Ways and Means Committee Green Book provides program descriptions and historical data on a wide variety of social and economic topics, including Social Security, employment, earnings, welfare, child support, health insurance, the elderly, families with children, poverty and taxation. It has become a standard reference work for those interested in the direction of social policy in the United States. It is compiled by the staff of the Committee on Ways and Means of the U.S. House of Representatives. The Green Book is available for 1996, 1998, 2000 and 2004.