Heretic
| Book | Heretic |
| Copyright Holder (Text) | Bernard Cornwell |
| Read by | Sean Barrett |
| Series | The Grail Quest |
| Publisher | Chivers Audiobooks, BBC, BBC Audiobooks, BBC Audiobooks America |
| Phonographic Copyright Holder | BBC Audiobooks Ltd. |
| Format | Audiobook |
| Language | English |
| Location | UK & USA |
| Copyright | 2003 |
| Phonographic Copyright | 2004 |
| ISBN | 0-7540-9758-2 |
| Barcode | 9 780754 097389 |
| Notes | X 10 cassettes. |
Added by Supernaut1970