Hermione had mentioned the name to him once before, a muggle mystery writer. Hermione had shared with him her love for muggle fiction novels, and some of the silly concepts from some of her favourites. One, in particular, stood out to Draco in his memories. He closed his eyes and focused on the conversation. It was during one of their probation sessions. They sat near the Black Lake and spoke about their favourite reads. When Hermione mentioned her love for mystery novels, she described a scene in which a man searched a near-empty mansion for a hidden passageway. When the man approached a bookcase and observed a book out of place, he pulled it, and a hidden door opened. 