Shades of Darkness is a novel by Richard Cowper published in 1986.
Shades of Darkness is a novel in which a ghost story is the theme.
[1] Dave Langford reviewed Shades of Darkness for White Dwarf #85, and stated that "The essence of horror is the turning of the screw.
Cowper turns it with discreet style and wit, but never quite far enough.
"[1]