| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Curso Desarrollo De La Memoria Plus 16/ Expanding Your Memory Course Plus 16: Incrementa Tu Memoria A Su Maximo Potencial/ Increase Your Memory In Your Maximum Potential | 978-97O-981O-OO-4 (97O-981O-OO-6) | 2007 |