The vast majority of work in theoretical linguistics from a generative perspective is based on first language acquisition and performance. The vast majority of work on second language acquisition is carried out by scholars and educators working within approaches other than that of generative linguistics. In this volume, this gap is bridged as leading generative linguists apply their intellectual and disciplinary skills to issues in second language acquisition. The results should be of interest to all those who study second language acquisition, regardless of their theoretical perspective, and all generative linguists, regardless of the topics on which they work.