Book excerpt: This volume is a guide to intellectual property. Under intellectual property law, owners are granted certain exclusive rights to a variety of intangible assets, such as musical, literary, and artistic works; discoveries and inventions; and words, phrases, symbols, and designs. This work includes an introduction to the basics of copyrights, patents, and trademarks and written especially to serve the needs and questions of librarians. The issue of what constitutes fair use, modern-day disputes over file swapping services such as Napster, common misconceptions about patent, among many other topics, is presented in easy-to-understand terms.