G.E · George Efstathiou · George Epstein
| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Good Without God: What a Billion Nonreligious People Do Believe | Paperback | 978-0-06-167012-1 (0-06-167012-X) | 2010 |
| Good Without God: What a Billion Nonreligious People Do Believe | Hardcover | 978-0-06-167011-4 (0-06-167011-1) | 2009 |