This book represents a major statement of the current research beingconducted on the learning of second languages from a socioculturalperspective. The book is divided into a theoretical and an empiricalpart. Specific topics covered include: learning and teaching languages in the zone of proximal development, L1 mediation in the acquisitionof L2 grammar, sociocultural theory as a theory of second languagelearning, gestural mediation in a second language, and constructing aself through a second language.