Who killed sherlock holmes', paperback/paul cornell

The ghost of Sherlock Holmes is dead, but who will solve his murder? The Great Detectives ghost has walked Londons streets for an age, given shape by peoples memories.

Now someones put a ceremonial dagger through his chest.

But whats the motive? And who--or what--could kill a ghost? When policing Londons supernatural underworld, eliminating the impossible is not an option.

DI James Quill and his detectives have learnt this the hard way.

Gifted with the Sight, theyll pursue a criminal genius--wholl lure them into a Sherlockian maze of clues and evidence.

The team also have their own demons to fight.

Theyve been to Hell and back (literally) but now the unit is falling apart.