Teaching materials play a crucial role in teaching-learning. When these take the form of a textbook it is essential that it is carefully selected to meet both external requirements and the needs of the teachers, as well as allowing teacher to mediate between the textbook and the learners, adapting and supplementing the book as necessary. Providing a systematic approach to the selection and subsequent evaluation of coursebooks, this textbook gives practical advice on adaptation and supplementation, and beyond. Suggestions on systematising the process of materials development and on the use of learner-generated materials are included for teachers who prefer to prepare their own materials. With integrated and wide-ranging coverage of the topic, this is the ideal book for those studying or practising language teaching or applied linguistics. Key Features:* Numerous examples* Interleaved tasks which can be utilised by an instructor* Extensive bibliography