It is now 25 years since the first edition of Person-Centred Counselling in Action appeared offering the definitive exposition of the theory & practice of the person-centred approach. Since then the book has supported & inspired hundreds of thousands of trainees & practitioners worldwide. This important Fourth Edition maintains the book's accessibility clarity & verve whilst incorporating new developments in the approach. John Mc Leod joins authors Dave Mearns & Brian Thorne to contribute an exciting new chapter on research relevant to the person-centred field. Person-Centred Counselling in Action Fourth Edition will be an invaluable resource for those embarking on their first stages of training. Well-established practitioners & even seasoned scholars will continue to find much to interest & stimulate them. Dave Mearns is professor of counselling & retired Director of the Counselling Unit of the University of Strathclyde. He has written seven books including Working at Relational Depth in Counselling & Psychotherapy (with Mick Cooper) & is co-editor of the international journal Person-Centered & Experiential Psychotherapies. Brian Thorne is Emeritus Professor of Counselling at the University of East Anglia Norwich where he was previously Director of Counselling & of the Centre for Counselling Studies. He is also a Co-founder of the Norwich Centre & continues to work there as a Professional Fellow. John Mc Leod is Emeritus Professor of Counselling at the University of Abertay Dundee & adjunct Professor of Psychology at the University of Oslo Norway.