While there is much in the literature on ESL development, this book is the first of its kind to track the development of specific language abilities in an Intensive English Program (IEP) longitudinally and highlights the implications of this particular study's findings for future IEP implementation and practice and ESL and SLA research. The volume draws on thirteen years' worth of data from learners at an IEP at the University of Pittsburgh to explore selected aspects of language development, including lexical, grammatical, speaking and listening, and writing abilities, in addition to...