Collins COBUILD Key Words for IELTS: Book 2 Improver is the second book in the series, and builds on the vocabulary from Book 1: Starter, taking students to the next level in their preparations for the IELTS exam. It contains the more difficult vocabulary that may appear in the exam, and that students may need to master to achieve the scores required by most universities and employers. These vocabulary books are unique in that the vocabulary items are organized alphabetically, in a dictionary style, and words are clearly labelled according to topic. Hundreds of vocabulary-building features, synonyms, phrases and collocations help students to enrich their vocabulary and increase their accuracy and fluency. Key terms from the Academic Word List are also covered.