| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2005 | 978-0-9768160-0-3 | C. Alexander Simpkins · Annellen M. Simpkins | Effective Self Hypnosis: Pathways to the Unconscious (Book & Audio CD) |
| '' | 978-0-9768160-1-0 | C. Alexander Simpkins · Annellen M. Simpkins | Taekwondo: Building on the Basics: With Accompanying DVD |
| 2006 | 978-0-9768160-2-7 | C. Alexander · Ph.D. Simpkins · Annellen M. | Taekwondo: Building on the Basics |