This book shows how the current spread of English as a means of communication throughout the world gives rise to many questions that challenge the way we currently teach. Among the questions it addresses are: - Because of its role as an international language, should learning English be considered and treated differently from learning other second languages? - How are changes in English (in grammar, vocabulary, and pronunciation) affected by its role as an international language? How will these changes impact on how well people can understand each other when they use it? - Should speakers of English as an international language aim to imitate native speakers or are there other ways of defining appropriate use? - Should ELT materials still use topics related to native English-speaking cultures? Should the methodology they follow reflect the culture of learning of western countries? If not, what alternative topics and models can be used? The book is organized into fiv