Shouldbecomethestandardtextinadvancedundergraduateandintroductorygraduatecourses.Language(reviewofthefirstedition)Sinceitfirstappearedmorethantenyearsago.RonaldWardhaughsAnIntroductiontoSociolinguisticshasbeenanimmenselypopularchoiceoftextbookforcoursesinsociolinguisticsandthesociologyoflanguage.Thisthirdeditionretainsthebasicstructureoftheoriginal，butincorporatesawealthofnewmaterialreflectingtheprogressofthefieldsincethestartofthe1990s.Inparticular.thecoverageofpidginsandcreoles.code-switching，sociolinguisticvariation，languagechange，discourseanalysisandlanguageandgenderhasbeenconsiderablyrevisedandextended，withcoverageofsome150recentbooksorpapers.