Based on your favorites, here are some recommendations for books that you may enjoy:
1. "The Raven" by Edgar Allan Poe - This is one of Poe's most famous poems and is a haunting and atmospheric work that explores themes of death and loss.
2. "Heart of Darkness" by Joseph Conrad - If you enjoyed "The Heart of Darkness," you may also enjoy Conrad's other works such as "Lord Jim" or "Nostromo," which also explore themes of imperialism and the human psyche.
3. "The Secret History" by Donna Tartt - This novel is a dark and atmospheric tale of a group of students at an elite college who become involved in a murder. It has been compared to "The Fall of the House of Usher" in its exploration of themes of guilt and decay.
4. "The Picture of Dorian Gray" by Oscar Wilde - If you enjoyed Wilde's writing style and the themes of hedonism and decay in "The Fall of the House of Usher," you may also enjoy this classic novel about a man who sells his soul for eternal youth and beauty.
5. "The Wind-Up Bird Chronicle" by Haruki Murakami - This novel is a surreal and dreamlike exploration of identity, memory, and the human psyche. It has been compared to "Heart of Darkness" in its exploration of the darkness within the human soul.
I hope these recommendations are helpful and that you enjoy exploring these books!