im not so sure but i know she wrote some books like the ghost of crutchfeild hall and the doll in the garden and deep and dark dangerous i know she writes more but those are the ones i have herd off so if your up for some ghost storys Mary Downing Hahn is great
The Ghost of Blackwood Hall (Nancy Drew #25 OS)
"Wait Till Helen Comes" is often cited as one of Mary Downing Hahn's scariest books. It weaves together elements of horror and mystery as it tells the story of a haunted house and a vengeful ghost named Helen.
The Ghost of Blackwood Hall was created in 1948.
The ISBN of The Ghost of Blackwood Hall is 0448095254.
The Ghost of Faffner Hall was created on 1989-09-11.
The Ghost of Faffner Hall ended on 1989-12-04.
Rock.
classical.
The Ghost of Faffner Hall - 1989 was released on: USA: 11 September 1989
Nancy Drew: Ghost of Thornton Hall was released on May 14, 2013.
Yes and no. There is a real Greylock Hall which is a student accommodation building in Massachusetts and provides rooms for twenty-two male students. I suspect you are asking because of the book "The Ghost of Greylock Hall" which is set in an abandoned lunatic asylum. This book (thankfully) is fiction and the building is not actually real...