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The claustrophobic atmosphere really amplifies the suspense. I'm curious whether the author based it on a real place or created it entirely from imagination.

The psychological depth added so much tension, but I wondered if the characters' secrets were too intricate or if they felt authentic to others.

The pacing of the clues and red herrings kept me on edge. I wonder if the author planned the twists from the start or let the story evolve naturally.