| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2008 | 978-0-9791361-0-8 | Robert V.V. Hurst | Life's Fingerprint: How Birth Order Affects Your Path Throughout Life |
| 2009 | 978-0-9791361-1-5 | Robert V. V. Hurst | Life's Fingerprint: How Birth Order Affects Your Path Throughout Life |