Elaine K. Horwitz gives pre- and in-service teachers the skills they need to meet the needs of all language learners in today's diverse classrooms-while encouraging them to develop a personal approach to language teaching. Using a warm, supportive tone, the author clearly explains the fundamental concepts of second language acquisition and language teaching. A much-needed resource at a time when it is critical for all mainstream teachers to focus on language, this guide describes how to develop language for academic needs as well as for communication purpose and addresses the latest trends in language teaching.