D S · D Schäfer · Richard Schaefer
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Choices and Consequences: What to Do When a Teenager Uses Alcohol/Drugs | 978-0-935908-42-8 (0-935908-42-0) | 1998 |
| Is Your Child Involved With Alcohol and Other Drugs? | 978-0-935908-99-2 (0-935908-99-4) | 1991 |