A werewolf and his witch wife must use their combined strengths to neutralize the world's most powerful demon.
- ISBN10 0425037509
- ISBN13 9780425037508
- Publish Date 1 May 1978
- Publish Status Out of Print
- Out of Print 17 September 2013
- Publish Country US
- Imprint Berkley Books
- Format Paperback (US Mass Market)
- Language English