Book excerpt: The Third Edition of the highly acclaimed Encyclopedia of Special Education has been thoroughly updated to include the latest information about new legislation and guidelines. In addition, this comprehensive resource features school psychology, neuropsychology, reviews of new tests and curricula that have been developed since publication of the second edition in 1999, and new biographies of important figures in special education. Unique in focus, the Encyclopedia of Special Education, Third Edition addresses issues of importance ranging from theory to practice and is a critical reference for researchers as well as those working in the special education field.