'Louise Doughty leads her unnerved readers into dark territory.' Hilary Mantel The new novel from Sunday Times bestselling author Louise Doughty Platform Seven at 4am: Peterborough Railway Station is deserted. The man crossing the covered walkway on this freezing November morning is confident he's alone. As he sits on the metal bench at the far end of the platform it is clear his choice is strategic - he's as far away from the night staff as he can...