Read Oh, Whistle and I’ll Come to You, My Lad by M.R. James published in 1904

Watch the 1968 adaptaion of Whistle and I’ll Come to You directed by Jonathan Miller for the BBC

https://www.youtube.com/watch?v=mYjtxHHjZ00

Watch the 2010 BBC adaptation, Whistle and I’ll come to you Ghost Story for Christmas starring John Hurt