The comprehensive Teacher's Book contains detailed notes and extra materials - everything teachers need to make the most of the course. * Teacher's notes for every unit with warmers, fillers, alternative suggestions, culture notes and answer keys.* Teaching tips on useful areas such as grammar, lexis, pronunciation, using video etc.* Photocopiable grammar, vocabulary and functional language worksheets for every unit.* Class audio and video scripts.* Unit and achievement tests.* Mid and end of course tests.* Test audio, audio scripts and answer keys.