This is a series of books which show learners what they get wrong and how to put it right. Ideal for self-study, learners choose what area they want to review. They do a test, check their answers, consult the reference notes, and then test themselves again. This means students really learn from their mistakes. Learners test their English, check their answers, then test themselves again. Feedback on every answer means students really learn from their mistakes. A test, answers with helpful tips, and a second test on the same topic in each four-page unit. Twenty topics in each book. Twenty 'Review' pages, leaving a mini reference book once all the tests have been completed. Written for self-study and also suitable for use in the classroom.