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...