Inhalt: Our comprehensive study guide for the IELTS test is written by our test experts, who painstakingly researched the topics and the concepts that you need to know to do your best on the IELTS test. Our original research into the International English Language Testing System (IELTS) Examination, offered by the British Council, IDP: IELTS Australia and the University of Cambridge ESOL Examinations (Cambridge ESOL), reveals the specific content areas and the essential skills that are critical for you to know on the IELTS test. We've taken the information and developed a study guide that is guaranteed to help you be successful on the IELTS test.