These books are designed for professionals and students in vocational schools and colleges to help them develop the language skills they need to succeed in a professional work environment.Get the passport to a promising international career. These books are designed for professionals and students in vocational schools and colleges to help them develop the language skills they need to succeed in a professional work environment. 3 books in one 45 units in total Integration of all 4 language skills in each lesson Authentic material Practice of language and skills based on real-life situations Guided speaking and writing exercises