The course aims to help the participants to gain the knowledge and to develop the awareness and skills required by an expert practitioner of materials development for language learning and teaching. It intends in particular to help them to become principled and effective materials evaluators, adapters, writers, users and researchers. In addition it aims to make use of materials development to deepen the participants' understanding of second language acquisition, of language use and of principled pedagogy as well as contributing to the further development of analytical, critical and creative thinking skills.