Encuadernación: RústicaHappy Hearts is a three-level course for three to six year old children. The course develops the listening, speaking and pre-writing / pre-reading skills of young learners through art, music and movement. It provides a simple but steady development of new language through a carefully graded syllabus and features engaging characters including Billy, Molly and Kenny the cat, that will appeal to all children of pre-school age.