| year of publication | ISBN | author(s) | title | 
|---|---|---|---|
| 1988 | 978-0-9626807-0-0 | Charles Birch | Liberation of Life: From the Cell to the Community | 
| 1995 | 978-0-9626807-3-1 | John B Cobb | Is it too late?: A theology of ecology | 
| 1996 | 978-0-9626807-4-8 | Eugene C Hargrove | Foundations of environmental ethics |