The Level 4 full-colour interleaved Teacher's Book makes it simple to teach with minimum preparation. The Cambridge One Digital Pack includes access to Class Audio and answer keys and scripts. There are videos to accompany the Culture sections and lively interviews with real teenagers. There are also comprehensive vocabulary and grammar worksheets (two levels of difficulty), literature, speaking, writing, video and games worksheets. Additionally, the teacher can view and assign the student Practice Extra grammar and vocabulary activities, and access Test Generator and Presentation Plus class presentation tool.