LIFELINES is a two-level general English course for adults and young adults at pre-intermediate and intermediate level. It has been designed to offer flexibility within a clear and easy-to-use format. The coursebook provides core materials of approximately 70 hours and extension sections of approximately 30 hours. Key features : a clear, comprehensive, yet manageable language syllabus ; a discovery approach to the presentation of language ; motivating texts from a variety of authentic sources ; strong skills development with an emphasis on functional English ; systematic vocabulary work recycled within the unit ; a pronunciation syllabus introducing sounds, stress and intonation ; optional Extension sections at the end of each unit. The Teacher's Book contains an overview of each unit, clear teaching notes with extra ideas, an answer key, tapescripts, supplementary photocopiable activities and progress tests.