This Encyclopedia explains a complex group of medical and psychological disorders by detailing recognized learning disabilities and how to identify them, providing information on obtaining a diagnosis, and discussing how to find the best treatments and aids. More than 650 A-to-Z entries cover all the relevant topics, from special legislation to educational tools to child development. Appendixes listing important organizations, government information sources, assistive technology resources, and relevant books and Web sites make this the most comprehensive handy reference on learning disabilities available.