Confident Teens How to Raise a Positive, Confident and Happy Teenager Lindenfield Gael Heftet / 2001 / Engelsk
Self Esteem Simple Steps to Develop Self-Reliance and Perseverance Lindenfield Gael Heftet / 2000 / Engelsk
Skip the Guilt Trap Simple Steps to Help You Move on with Your Life Lindenfield Gael Heftet / 2016 / Engelsk
Libérate de la Trampa de la Culpabilidad Pasos Sencillos Que Te Ayudarán a Continuar Con Tu Vida Lindenfield Gael Heftet / 2017 / Spansk
