| title | media type | ISBN-13 | year of publica- tion | other author(s) | |
|---|---|---|---|---|---|
| Briefe eines Skeptikers | Taschenbuch | 978-3-7751-2746-2 | 1997 | ||
| Cartas DE Un Esceptico | Paperback | 978-0-8297-3657-1 | 2004 | Gregory A. Boyd | |
| Letters from a Skeptic: A Son Wrestles with His Father's Questions about Christianity | " | 978-1-4347-9980-7 | 2008 | Edward Boyd · Dr. Gregory A. Boyd | |
| Letters from a Skeptic: A Son Wrestles with His Father's Questions about Christianity | Hardcover | 978-1-56476-244-3 | 1994 | Dr. Gregory A. Boyd | |
E.B. · "E. K." · Edward B. · Edward Boyd · Edward K. · K. B.
David C. Cook · SCM Hänssler · Vida