A topic-based course that allows learners to extend their language skills while learning about the world around them. Key features Happy Earth is a two-level course bridging the gap between primary and lower secondary courses. Designed for upper primary, it takes into account real progress in reading and writing in the early primary years. It can be used as a follow-on course from Happy Street. Happy Earth extends children's language skills and knowledge about the world through topic-based units. Information about the real world is balanced by animal fun and fantasy subjects of interest to young pre-teens.