Happy Earth is a topic-based course with a communicative emphasis that builds on previous language development. It is suitable for use after Happy World. By drawing on a wide range of factual information, it develops the children's language skills along with their general knowledge. Combined with the preceding level in the Happy series, it can complete an articulated six-to eight - level course.
Unit 1 My world
Unit 2 Lifestyles
Unit 3 Time off
Unit 4 Adventure
Unit 5 Living with nature
Unit 6 Communicate
Unit 7 Mysteries
Unit 8 Truth and fiction