| 2017 | 1,041 reads | 4.05 | 176 pages? duration | |
| 2008 | 38 reads | 3.79 | 21 pages? duration | |
The Web of Meaning: Integrating Science and Traditional Wisdom to Find our Place in the Universe | 2021 | 1 read | 0 | ? pages? duration | |
| 2006 | 14 reads | 3.42 | 7 pages? duration | |
| 2011 | 1,340 reads | 4.39 | 387 pages? duration | |
Phantom Pond: A Shady Hollow Mystery Short Story | | 1 read | 5 | ? pages? duration | |
| 2023 | 2 reads | 4.5 | 273 pages? duration | |
| 2024 | 0 reads | 0 | 288 pages? duration | |
| 2010 | 969 reads | 4.62 | 1,571 pages? duration | |
| 2018 | 142 reads | 4.42 | ? pages? duration | |
| 2021 | 2 reads | 4 | 32 pages? duration | |
| 2023 | 28 reads | 4.06 | 448 pages? duration | |