قصة الكتاب :
The Adventure of the Musgrave Ritual is a short story by Arthur Conan Doyle, featuring his fictional detective Sherlock Holmes . The story was originally published in The Strand Magazine in the United Kingdom in May 1893, and in Harper\'s Weekly in the United States on 13 May 1893 . It was collected in The Memoirs of Sherlock Holmes . In this story Reginald Musgrave hires Holmes to look into the strange happenings in his manor house .