This third edition, with answers and interactive eBook, contains 100units of grammar reference and practice materials, with illustrationsin full colour and a user-friendly layout. It is ideal for learnerspreparing for the Cambridge Advanced, Proficiency or IELTSexaminations, and is informed by the Cambridge International Corpus,which ensures the language is authentic and up-to-date. The eBook hasthe same grammar explanations and exercises found in the printed book, plus other great features. You can listen to all of the examplesentences from the book, record your answers to exercises, highlighttext, bookmark pages and add your own notes.