What is the fine-grained topic of the following text: Taking advice in criminal investigation from the young Edgar Allen Poe, with the cooperation of Reverend Clement Moore, author of the famous poem, A Visit from Saint Nicholas, and with Osric at her side, Beatrice creates a “palace of secrets” on a recent invention – the blackboard. Only return the topic.
Creating a "palace of secrets" in criminal investigation using advice from Edgar Allen Poe and Reverend Clement Moore with the use of a blackboard.