This article introduces users to the Portable Document Format (PDF). The article concentrates on the Adobe Acrobat software, discussing its options for document formatting and manipulation. The article also discusses how this format can be integrated into Web page design and education.

The University of Wisconsin Data and Program Library Service, which has been providing machine-readable social science data to university researchers for over 30 years, has recently made this data repository available to everyone. At present the site contains 12 studies, including US riot and civil disorder data from 1961-1968, slave movement during the 18th and 19th centuries, the Russian and...