The Teacher's Resource Book includes: Clear, pratical reaching notes for each exercise, optional activities for classes with additional teaching periods, or just as alternative ways to exploit the materials in the Student's Book, alternative procedures to facilitate the use of the material in streamed or mixes ability classes, a selection of warmers and coolers for each unit to provide engaging ways to lead in to or end lessons, a games bank providing extra ideas for enjoyable language practice activities, Audio CD's with recordings for the Student's book and Workbook.