MURPHY:GRAMMAR IN USE 4/E W/K (AME)

The world's best-selling grammar series for learners of English. Grammar in Use Intermediate with Answers, 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.
It is also trusted by teachers and can be used as a supplementary text in classrooms.