What would you recommend in line with ‘The strange case of Dr Jeckyll and Mr. Hyde’ and ‘The Picture of Dorian Gray’

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Hey everyone, I've found myself really enjoying books like mentioned in the title. I would even say, Dracula, as in, the writing style.

But what would you guys recommend so I can stay in the same vibe, writing style and depth of story?

I'm excited to read your recommendation!