| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Blood Relatives | 978-0-620-26661-1 (0-620-26661-9) | 2000 | |
| Every Interaction Interrupts the Future | 978-0-620-30245-6 (0-620-30245-3) | 2003 | |
| Human Constellations | 978-0-620-42399-1 (0-620-42399-4) | 2008 | Wilhelm Van Rensburg |