This volume brings together contributions by leading researchers of the social interactional and socio-cultural approaches to language learning and teaching. It provides both an introduction to this important growth point and also an overview of cutting edge research, covering a wide range of language learning and teaching contexts.Introduction: Zhu Hau, P.Seedhouse, Li Wei & V.Cook PART 1: INTERACTIONAL FOUNDATIONS Interaction and Constructs; P.Seedhouse Handling Sequentially Inapposite Responses; G.Kasper & Y.Kim Invitation Talk; N.Markee Bricolage in Turn Starts in L2 Talk; R.Gardner Sequential organization in Immersion Classrooms; S.Pekarek Doehler & G.Ziegler PART 2: IDENTITY AND SOCIAL ACTION Socialising Second Language Acquisition; D.Block Identity Repertories in Learner Narratives; V.Driagina & A.Pavlenko Presentation of 'Self' in Application Letters; Zhu Hua Identity Construction in Teacher Education; J.Miller Context and L2 Users' Pragmatic Development; J-M.Dewaele PART 3: MULTILINGUAL AND MULTICULTURAL CLASSROOMS Bilingualism in Mainstream Primary Classrooms; J.Conteh Social Interaction in Multilingual Classrooms; N.Shameem Untutored Acquisition in Content Classrooms; J.Langman & R.Bayley Learning Styles in Multilingual Classrooms; T.Young & I.Sachdev Coda: Language Learning and Teaching as Discursive Practice; R.Young Bibliography IndexROBERT BAYLEY University of California, Davis, USADAVID BLOCK Institute of Education, University of London, UKJEAN CONTEH University of Manchester, UKJEAN-MARC DEWAELE Birkbeck , University of London, UKVIKTORIA DRIAGINA Pennsylvania State University, USAROD GARDNER Melbourne University, AustraliaGABRIELE KASPER University of Hawaii at Manoa, USAYOUNHEE KIM University of Hawaii at Manoa, USAJULIET LANGMAN University of Texas, San Antonio, USANUMA MARKEE University of Illinois at Urbana-Champaign, USAJENNY MILLER Monash University, AustraliaANETA PAVLENKO Temple University, Philadelphia, USASIMONA PElÓ6