The world's best-selling grammar series for learners of English. Grammar in Use Intermediate with Answers and Interactive , 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 to communicate in English.It is also trusted by teachers and can be used as a supplementary text in classrooms.This version includes an with the same grammar units as the printed book, plus audio.It can be accessed online or downloaded to iPads and Android tablets.