Copyright in the world of digital information is changing at a fevered pace, even as educators and librarians digitize, upload, download, draw on databases, and incorporate materials into Web-based instruction. It's essential to stay abreast of the basics of copyright law and fair use. Kenneth D. Crews has completely revised his classic text to…

The first sale doctrine says that after a copyright holder first sells a copy of his or her work, the new owner may do whatever he or she pleases with that copy (assuming that use is legal). This concept came up through common law and was eventually codified in the Copyright Act of 1976. In 2010, two cases were working their way through the U.S.…