Happy Earth Is Twolevel Topic Course For Children Who Are Ready To Build On Early Reading And Writing It Is Suitable For Use After Happy Street And Extends The Vocabulary And Structures From The First Years Of English Through A Wide Range Of Factual Infomation It Develops The Childrens Language Skill And Awareness Of The World Vocabulary And Grammar Practice A Writing Syllabus With Reallife Tasks And Guided Picture Composition Pronunciation Puzzles And Rhymes