improve your knowledge of vocabulary with collins vocabulary for ielts and get the score you need. twenty units cover vocabulary for all four ielts tests feature key vocabulary and example sentences from the collins corpus practice exam sections at the end of each unit cover the full range of ielts test papers useful tips and practical exam strategies in every unit audio cd provides valuable listening and speaking practice written by an experienced ielts tutorperfect for self-study or for use in the classroom.