Sherlock Holmes takes on America in this gripping novella based off of BBC Sherlock. Sherlock Holmes is hired by the Center for Disease Control to stop a mass murderer before it's too late, but little does America know: it already is. It's up to Sherlock to keep the death toll low and find the cure before it's too late, not only for all of America, but for one of his co-workers. Join Sherlock, John, Mycroft, and Molly in this edge-of-your seat mystery. Can you solve it before Sherlock does?