Author of "Meine Trauer wird dich finden", 2005 (2014: 13th ed.); "Damit aus meinem Trauer Liebe wird", 2007 (4th ed.); "Wie ist das mit der ...Trauer?" (My grief will find you). (Children's book), 2007 (2nd edition); "My grief goes - and you remain", 2009 (4th edition); Hypnosystemic grief support. A Guide to Practice, 2014 (3rd ed.); Celebrating Love - A Jubilee Book for Couples, 2011; Mourning Together - Continuing to Love Together. The couple's book for mourning parents, 2013; In my dreams I find you - How dreams help in mourning, 2014; The therapy of the couple's unconscious, 2015; Trailing mourning work. Hypnosystemic Counselling and Psychotherapy for Early Losses, 2018; Be Your Wishful Child. Learning to Love the Inner Child, 2018; The Lonely Superkids. How to save our children from the narcissism trap, 2019