Product Description One of the world's most successful primary courses, the Happy Series is a six-level course that's perfectly in step with your students' development. About the Author Stella Maidment is an experienced children's writer. She has published a wide range of titles for English-speaking children of all ages. She has also contributed stories, songs and activities to a number of different children's ELT titles. Lorena Roberts spent five years teaching English inBritain and abroad. On her return to the UK, she became involved in children's educational publishing. At Oxford University Press she brought together her experience from both professions to work as an editor on a number of successful primary ELT courses.