Jennifer, M.D. Trachtenberg ยท Jennifer Trusted
| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| Buenos Ninos, Malas Costumbres: La guia RealAge para criar ninos saludables | 978-0-06-145082-2 (0-06-145082-0) | 2008 |
| Good Kids, Bad Habits: The RealAge Guide to Raising Healthy Children | 978-0-06-112775-5 (0-06-112775-2) | 2007 |