Cambridge Vocabulary for IELTS with Answers by Pauline Cullen is a comprehensive book that aims to help learners improve their vocabulary for the International English Language Testing System (IELTS) exam. The book includes a wide range of vocabulary exercises and activities, with clear explanations and examples to help learners understand how to use words correctly in different contexts. It also provides practice tests and answer keys, allowing learners to assess their progress and identify areas where they need to improve. Overall, this book is a valuable resource for anyone looking to enhance their vocabulary skills for the IELTS exam.