| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Neurosphere: The Convergence of Evolution, Group Mind, and the Internet | 978-1-57863-349-4 (1-57863-349-4) | 2005 |
| Pioneer of Inner Space: The Life of Fitz Hugh Ludlow, Hasheesh Eater | 978-1-57027-071-0 (1-57027-071-6) | 1999 |