Linguistic and Communicative Competence: Topics in ESL Christina Bratt Paulson. Clevedon: Multilingual Matters, 1992. Pp. 145. ISBN: 1-85359-148-3 (paper): £10.95An Introduction to Sociolinguistics Janet Holmes. London: Longman, 1992. Pp. vii+412. ISBN 0-582-06062-1 (paper): £13.99Understanding Scotland: The Sociology of a Stateless Nation David McCrone. London: Routledge, 1992. Pp. x + 238. ISBN 0-415-06748-0 (paper): £10.99.Immigrant Languages in Europe Gus Extra & Ludo Verhoeven (eds). Clevedon: Multilingual Matters, 1993. Pp. 336. ISBN 1-85359-179-3 (cloth): £19.95African American Communication Michael L. Hecht, Mary Jane Collier and Sidney A. Ribeau. London: Sage Publications, 1993. Pp. xv + 224. ISBN 0-8039-4516-7(paper): £14.95