91 two-page units, covering all the main grammar points and relevant lexical areas. Each unit comprises an example in a short, illustrated text, followed concise and simple explanations of the form and uses and a page of practice exercises. The texts and exercises consist of a wide range of genres of modern English (letters, emails, schedules, stories, songs etc) using a variety of characters to bring the examples to life. 14 additional review units to recap and practise.