Brian Lake was formerly Consultant in Psychotherapy at St James?s University Hospital, Leeds. Una McCluskey is a senior lecturer in social work at the University of York. She has had a long-standing interest in relationship work and has written extensively on working with individuals, couples, families, and groups. She is a Member of the Scottish Institute of Human Relations and the Systems-Centered® Training and Research Institute in Philadelphia. She is a Registered Member of the United Kingdom Council of Psychotherapy (psychodynamic and systemic divisions) and is the first European licensed Systems-Centered® practitioner. She is a co-editor (with Carol-Ann Hooper) of The Psychodynamics of Abuse: The Cost of Fear.