Bibliografía (21 obras)
Why Couples Fight
2021
Gitsem Bir Türlü Kalsam Bir Türlü
2020
I love you but I don't trust you
2012
Te amo-- pero no confío en ti
Ich will dir trauen. Aber wie?
When Good People Have Affairs
2008
Is he Mr. Right?
2006
The Weekend Marriage
2005
Everything Happens for a Reason
2004
The Emotional Energy Factor
2003
Galliant's Journey
The gift of a year
2001
Women & Love: Finding True Love While Staying True to Yourself
2000
The Gift of a Year
1999
Women & Love
Ich will bleiben, aber wie? Neuanfang für Paare
1998
Scheiden of blijven
Si nos queremos tanto, por qué estamos tan mal
Soll ich bleiben, soll ich gehen? Ein Beziehungs- Check
Too Good to Leave, Too Bad to Stay
1996
Parent/teen break-through
1991