This book is about the similarities in the learning and teaching of language under a variety of conditions. Whether children are first or second language learners, whether or t they have a learning or physical disability, the experience of learning a language is much the same. This book looks at language, at children's learning of language, and the role of parents and teachers in that learning from the time a child is born until the end of the school years. It provides a basic introduction to linguistic theory, language acquisition, and the theories underlying current teaching practice. Addresses issues pertaining to ESL, ASL and other learners as well as mainstream children.