

The Picture of Dorian Gray - Oscar Wilde
Sexual Personae: Art and Decadence from Nefertiti to Emily Dickinson - Camille Paglia
The Occult - Colin Wilson
The Perfect Prince: The Mystery of Perkin Warbeck and His Quest for the Throne of England - Ann Wroe
The Woman in Black - Susan Hill
Ways of Seeing - John Berger
The Origin of Consciousness in the Breakdown of the Bicameral Mind - Julian Jaynes
The Passion of Michel Foucault - James Miller
Affinity - Sarah Waters
Ghost Story - Peter Straub
The Picture of Dorian Gray - Oscar Wilde
Sexual Personae: Art and Decadence from Nefertiti to Emily Dickinson - Camille Paglia
The Occult - Colin Wilson
The Perfect Prince: The Mystery of Perkin Warbeck and His Quest for the Throne of England - Ann Wroe
The Woman in Black - Susan Hill
Ways of Seeing - John Berger
The Origin of Consciousness in the Breakdown of the Bicameral Mind - Julian Jaynes
The Passion of Michel Foucault - James Miller
Affinity - Sarah Waters
Ghost Story - Peter Straub
I've got that book by Colin Wilson, though the pages are pretty yellow and brittle now.
I watched the 1989 BBC movie first, which I think is far better than the one with the Harry Potter guy in it.
The picture of Dorian Gray is a great chiller, and so is the movie