Essential Grammar in Use
Murphy Raymond
Cambridge University Press
Grammar in Use is the world's best-selling grammar series for learners of English. Essential Grammar in Use with Answers, authored by Raymond Murphy, is the first choice for elementary-level (A1-B1) learners 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.