| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Addicted to Unhappiness: Free yourself from moods and behaviors that undermine relationships, work, and the life you want | 978-0-07-138549-7 (0-07-138549-5) | 2002 | William Pieper |
| Addicted to Unhappiness: Free yourself from the moods and behaviors that undermine relationships, work, and the life you want | 978-0-07-143369-3 (0-07-143369-4) | 2004 | Martha Heineman Pieper · William J. Pieper · William Pieper |
M P · Martha H. Pieper · Martha Heineman Pieper · Martha Piper · Marti Pieper