Sherlock Holmes and The Case of the Winter Visitor: A Baker Street Mystery of Secrets Buried Too Long

What if the most terrifying visitor is not a stranger, but the past itself?

In the frozen January of 1895, a composed but shaken woman arrives at Baker Street with an unsettling account: on three consecutive nights, an unknown gentleman called upon her brother at precisely nine o'clock. He gave no name. He stayed only minutes. And afterward, her brother denied the visits ever took place.

On the fourth night, Edwin Wrotham is found collapsed in his study, clutching a child's faded woolen muffl...