100 easy-to-use two-page units: vocabulary items are presented and explained on leaft-hand pages with a range of practice exercises on right-hand pagespresents and explains new words in context and shows learners how to use themuses short texts and typical example sentences to ensure students are exposed to real languagebased on a corpus of written and spoken langauge to ensure the vocabulary is relevant and up-to-datepromotes good learning habits with study tips and follow-up taskscontains a comprehensive, student-friendly answer keyincludes a detailed index with phonetic transcriptions to help with the pronunciation of difficult vocabulary.