* ''The Wiley World Handbook of Existential Therapy'', edited with Digby Tamtam, Kirk Schneider et al, Wiley, 2019
* ''Existential Therapy: Distinctive Features'', with Claire Arnold-Baker, London, Routledge, 2018.
* ''Skills in Existential Counselling and Psychotherapy, 2nd Edition'' (2016). Co-authored with Martin Adams, London: Sage''.''
* ''Paradox and Passion in Psychotherapy'', ''Second Edition'' (2015). Chichester: Wiley
* ''Existential Perspectives on Relationship Therapy'' (2013). Edited with Susan Iacovou, London: Palgrave Macmillan.
* ''Existential Psychotherapy and Counselling in Practice, Third Edition'' (2012), London: Sage Publications
* ''Existential Perspectives on Coaching'' (2012). Co-edited with Monica Hanway, London: Palgrave, Macmillan
* ''Skills in Existential Counselling and Psychotherap''y (2011). Co-authored with Martin Adams, London: Sage Publications
* ''Everyday Mysteries: A Handbook of Existential Psychotherapy, Second Edition'' (2010), London: Routledge
* ''Existential Perspectives on Supervision'' (2009). Co-edited with Sarah Young, London: Palgrave Macmillan
* ''Psychotherapy and the Quest for Happiness'' (2008), London: Sage Publications
* ''Dictionary of Existential Psychotherapy and Counselling'' (2005). With Raymond Kenward, London: Sage
* ''Existential Perspectives on Existential and Human Issues'' (2005). Edited with Claire Arnold-Baker, Basingstoke: Palgrave, Macmillan
* ''Existential Psychotherapy and Counselling in Practice, Second Edition'' (2002), London: Sage
* ''Paradox and Passion in Psychotherapy'' (1998), Chichester: Wiley
* ''Everyday Mysteries: Existential Dimensions of Psychotherapy (1997), London: Routlegde''
* ''Existential Counselling in Practice'' (1988), London: Sage
* ''Das Kapital: Existential Perspectives'' (1987)
Levende_personer Psykologi Humaniora