Essential English For Foreign Students -books 1-2-3-4 Audio- -

Because the series is older, it is not always on mainstream retail sites like Amazon. However, it is widely available through:

The series is built on a "gradual and systematic" introduction of sentence patterns and grammar, ensuring learners are never overwhelmed. Each of the four books typically represents about one year of study, collectively covering a vocabulary of roughly . essential english for foreign students -books 1-2-3-4 audio-