| title | ISBN-13 | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| Guia para Dejar de Fumar, Un Metodo Eficaz que ha Funcionado con Millones de Personas | 978-607-7686-36-1 | 2009 | ||
| Happy End - und was kommt dann? | 978-3-636-07041-8 | 2005 | ||
| Positive Thinking, Positive Action with The Confidence Plan.: Essential Steps to Achieve Your Potential: AND Confidence Plan, Essential Steps to a New You | 978-1-4066-1335-3 | 2006 | Douglas Miller | |
| The Confidence Plan | 978-1-4066-1416-9 | 2007 | ||
| The Confidence Plan: Essential Steps to a New You | 978-0-563-48763-0 | 2004 | ||
| The Relate Guide to Better Relationships: Practical Ways to Make Your Love Last from the Experts in Marriage Guidance | 978-0-09-185670-0 | 2001 | ||
| The Relate Guide to Sex in Loving Relationships | 978-0-09-185668-7 | 2001 | ||
| The Relate Guide To Sex In Loving Relationships | 978-0-09-175294-1 | 1992 | ||
| The Relate Guide To Starting Again: Learning From the Past to Give You a Better Future | 978-0-09-185667-0 | 2001 | ||
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