| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| Negativ denken für Anfänger | 978-3-88897-547-9 (3-88897-547-6) | 2009 | Steven Appleby | |
| Negative Affirmations | 978-0-7499-5118-4 (0-7499-5118-4) | 2009 | " | |
| The Little Book of Parking Tickets | 978-0-7499-5161-0 (0-7499-5161-3) | 2007 | " |