4Grammar in Use is the world's best-selling grammar series for learners of English. Advanced Grammar in Use with Answers, authored by Martin Hewings, is the first choice for advanced (C1-C2) learners of English. It is a self-study book with clear explanations and practice exercises, and has helped millions of learners improve their English communication skills. It is also trusted by teachers and can be used as a supplementary text in classrooms, or to support preparation for Cambridge Advanced, Proficiency and IELTS examinations.