"Ten dead and two taken prisoner. That makes only 12 in all." "So?" the lieutenant said blankly. There was an urgency now in Giles's voice. "Can you not see? In a coven of witches there are always 13. It is a tradition that never varies. Some say it goes back to the time of Our Lord and his 12 disciples, and the Devil's desire to mock them. Be that as it may, we can account only for 12. That means there is one of their number still at large!" The lieutenant stared at him in silence. It was some time before he spoke. "I fear you have got blood on your boots," he said thoughtfully.
"Ten dead and two taken prisoner. That makes only 12 in all." "So?" the lieutenant said blankly. There was an urgency now in Giles's voice. "Can you not see? In a coven of witches there are always 13. It is a tradition that never varies. Some say it goes back to the time of Our Lord and his 12 disciples, and the Devil's desire to mock them. Be that as it may, we can account only for 12. That means there is one of their number still at large!" The lieutenant stared at him in silence. It was some time before he spoke. "I fear you have got blood on your boots," he said thoughtfully.