This book has a great track record; of its kind its the best on the market. - Deborah Cameron, University of Strathclyde This influential and widely used book has been extensively revised and includes a new chapter on linguistic discrimination on the basis of class, race and ethnicity. Other topics covered include: * National Curriculum and arguments about linguistic correctness * * new varieties of English (including African American English) * attitudes to languageThese revisions ensure Authority in Language remains topical and up-to-date.