A comprehensive and extensively researched overview of key issues in language teaching. This essential text for English language teachers surveys a broad range of core topics that are important in understanding contemporary approaches to teaching English as a second or international language, and which form the content of many professional development courses for language teachers. A wide range of issues is examined, including a consideration of the nature of English in the world, the way the English teaching profession works, the development of teaching methods, the nature of classroom teaching, teaching the four skills, teaching the language system, and elements of a language program.