Intensive interaction is an approach to teaching the pre-speech fundamentals of communication to children and adults who have severe learning difficulties or autism, and who are still at an early stage of communication development. This book is a practical guide to help those wishing to implement intensive interaction in their setting, and it provides detailed advice and step-by-step guidance as well as a consideration of all the issues associated with carrying out this approach. It considers: preparing for intensive interaction; observing intensive interaction in progress; doing intensive interaction at home and at work; teamwork; wellbeing; and, record-keeping. This book is a straightforward guide for anyone wanting to use intensive interaction with people with severe and complex learning difficulties, people who have very severe learning difficulties, profound and multiple learning difficulties, multi-sensory impairments, and people who have a diagnosis of autism.