| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2007 | 978-0-9639231-3-4 | Edward L. Hubbard | Escape from the Box: The Wonder of Human Potential |
| 2009 | 978-0-9639231-6-5 | Raymond M. Smullyan | Rambles Through My Library |
| '' | 978-0-9639231-7-2 | Raymond M. Smullyan | A Spiritual Journey: Reflections on the Philosophy of Religion, A Transcendental Journey, and Cosmic Consciousness Redux |