Penguin Readers are written by specialist ELT authors. The language, vocabulary, style and content of every book is carefully graded to make sure it suits the learner's own language ability.Every Penguin Reader has a range of activities in the book and accompanying Factsheet to help increase comprehension and develop reading, writing, listening and speaking skills. Balloons is an imaginative three-level language course for three to five-year-olds that introduces children to English through play. Each level is 50 - 90 hours. ukryj opis