In the first supernatural mystery in the Nathaniel Wolfe series, 12-year-old Nathaniel doesn't believe in spirits—but he'll soon be forced to change his mind Up there on the stage beside his father was a shadow, a shape, blurred at first but becoming clearer with every passing moment until finally he was looking at the figure of a woman, dressed in a long white robe. Her eyes were the palest blue and they were fixed directly on him. With every fibre of his being he knew her for what she was: a ghost. Hers was a life that had departed its earthly body but was not yet prepared to release its grip on the world for ever. There was unfinished business she yet had to perform. But why, out of all the millions of individuals on the face of the planet had she chosen him for her haunting?It's seven o'clock on a cold London evening in 1862, and in a grubby theater down by the docks, Nathaniel Wolfe watches his father—the greatest medium in London—take to the stage.