More than 4,000 disability terms, with the clearest, most accurate definitions-that's what professionals will get in this third edition of the bestselling dictionary, now fully updated and expanded just in time for its 15th anniversary. The go-to disability reference since its first edition was published in 1996, this comprehensive dictionary gives readers jargon-free definitions of all the terms they'll need to know to work effectively with children, adults, and other professionals. A diverse team of experts carefully reviewed and revised every entry in this new edition, making each definition as clear, user friendly, and up to date as possible.