This volume comprises 16 chapters both research papers and theoretical contributions grouped in three thematic sections. 0The chapters in the first part, entitled Discourse Communities: Languages in Contact,? adopt a social and/or historical perspective on bi-/multilingualism. 0The contributions in the second part, entitled Languages in the Mind: Language Development and Language Use,? view issues related to bi- and multilingualism from psycholinguistic and psychological perspectives. 0The chapters comprising the third part, Language Education: Supporting Multilingual Development,? adopt a broadly understood didactic perspective on bi-/multilingualism.
