Join Us 4 Student’s Book is designed fully in alignment with the curriculum of Ministry of Education (MEB) providing students with exercises improving four skills. The book contains a full list of vocabulary items on the cover page of each unit, that facilitates the students with the opportunity to practice the corpora both by reading and listening. Each unit provides explicit explanation of grammatical structures and grammar exercises. Speaking and writing exercises in the book are guides to improve students’ productive skills. The book also provides 10 unit tests.