This concise, up-to-date volume compiles information and materials documenting illicit drugs and their use from multiple perspectives. * A chronology of significant events, decisions, policies, and agreements about illicit drug use in the United States from 1872 to the present * Graphs and tables about illicit drug use patterns and problems * A world map depicting the distribution of problem drugs throughout the world * A glossary of key terms about drug use and abuse * A bibliography of significant reference materials addressing illicit drug use