Book excerpt: An invaluable new reference book for learners who need to master this notoriously difficult aspect of the English language. Based on evidence from the Cambridge International Corpus, this book provides clear and simple explanations of over 4,500 phrasal verbs current in British, American and Australian English today. It uses a carefully controlled defining vocabulary, making all explanations easy to understand. It contains thousands of example sentences, showing phrasal verbs in context and gives clear information on grammar and collocation without using complicted codes. In addition, it gives students guidance on the most useful phrasal verbs to learn and includes exercises enabling students to practise phrasal verbs. It also contains theme panels presenting phrasal verbs in topic groups [e.g. relationships: chat up, ask out, settle down, split up].