The Ghosts of Pontefract Castle — Simon Clark

Mark called up to the boy who stood on top of a ruined fragment of castle
wall. The boy was more than a dozen feet above the ground and swayed. The
October breeze made Mark even colder in his Halloween costume. Shivers ran
up his back. The boy¹s head slowly turned and he looked down, fixing his
pale blue eyes on Mark¹s face. He said something. It sounded foreign. Then
Mark understood the truth, and he was terrified....