Who Killed Sherlock Holmes?

The ghost of Sherlock Holmes is dead, but who will solve his murder? The Great Detective's ghost has walked London's streets for an age, given shape by people's memories. Now someone's put a ceremonial dagger through his chest. But what's the motive? And who or what could kill a ghost? When policing London's supernatural underworld, eliminating the impossible is not an option. DI James Quill a...