This book focuses on one of the most persistent and controversial questions in modern sociolinguistics: the past and present development of African American Vernacular English (AAVE).

Walt Wolfram is William C. Friday Distinguished Professor at North Carolina State University. He has pioneered research on a wide range of American vernacular dialects and authored or co-authored 15 books, including American English (Blackwell 1998, with Natalie Schilling-Estes) and over 200 articles.

Erik R. Thomas is Associate Professor of Linguistics at North Carolina State University. He is author of An Acoustic Analysis of Vowel Variation in New World English (2001), and has published widely in journals such as Language Variation and Change, Journal of Pidgin and Creole Languages, and Journal of Phonetics.