Instructor?s Edition The most comprehensive and trusted introduction to linguistics you?ll find The seminal text for the course, An Introduction to Language is ideal for use at all levels and in many different areas of instruction?including education, languages, psychology, anthropology, teaching English as a second language (TESL), and linguistics. This best-selling text covers the basic areas of phonetics/phonology, morphology, syntax, semantics, language acquisition, and language change. With this Ninth Edition, all chapters have been revised to reflect recent discoveries and new understanding of linguistics and languages.