This book covers approaches to second language research that in some way conform to the agenda of linguistics. It presents the actual methodology and results of research rather than just the conclusions or interpretations. It covers the main current theories, research methods and techniques, and it considers the crucial problems involved in relating Second Language Acquisition to linguistics.

The Background to Current Second Language Acquisition Research.- Sequences of Acquisition in Observational Data.- The Input Hypothesis Pidginisation and Variation.- The Multidimensional Model Learning and Communication Strategies.- Beyond Phrase Structure Syntax.- Principles and Parameters Syntax.- Universal Grammar.- Cognitive Approaches to Second Language Acquisition Research.- Activities.