The Happy Series uses different kinds of learning strategies to match children's changing development and learning styles. Start the learning journey in the reassuring setting of Happy House. Introduce children to reading and writing English in the wider world of Happy Street. Explore a world of fascinating facts with the topic-based approach of Happy World. And introduce children to the big issues that affect every child on earth and prepare them for exams with Happy Earth. With Happy, you'll have happy students at all levels of primary!