Green Dragon Publishing Group · Ten Speed Press
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Greenspan's Anguish Thoreau as Economic Prophet and Other Selected Essays | 978-1-62386-000-4 (1-62386-000-8) | 2013 |
| Song of the Meadowlark: Exploring Values for a Sustainable Future | 978-1-58008-034-7 (1-58008-034-0) | 1998 |