Trudy Stewart and Jackie Turnbull worked together for more than 30 years. This edition was their last collaboration before Jackie retired in 2009. Trudy continues to work as a consultant speech and language therapist in Leeds, carrying on the legacy of enthusiasm and professional commitment with clients who stammer. Jackie Turnbull and Trudy Stewart have worked together for ... Read moremore years than they can remember. The area of dysfluency fascinates them as much now as it did when they trainied to be therapists. It remains a great challenge they both feel that they have an enormous amount to learn about this complex area. This is their fourth volume on dysfluency. Trudy Stewart is a specialist in dysfluency and has been a service manager since 1986. She studied in America and obtained her PhD in 1991. Jackie Turnbull retired from SLT in July 2009 after 40 years in the profession, over 35 of which were spent as a specialist in dysfluency, working with children and adults. She also worked for many years as a staff counsellor in a large hospital. The collaboration that has grown up between the two of them has sparked further study in stammering. Together they have developed a highly creative clinical practice which has national recognition. Show Less