OPIS
The world's best-selling grammar series for learners of English. Grammar in Use Intermediate, authored by Raymond Murphy, is the first choice for intermediate (B1-B2) learners of American English and covers all the grammar required at this level. It is a self-study book with simple explanations and lots of practice exercises, and has helped millions of people around the world to communicate in English. This version does not include an answer key for the exercises and can be used as a supplementary text in classrooms.