Dark Days: Skulduggery Pleasant #4Skulduggery Pleasant is gone, sucked into a parallel dimension overrun by the Faceless Ones. If his bones havent already been turned to dust, chances are hes been driven out of his mind by the horror of the ancient gods. There is no official, Sanctuary approved rescue mission. There is no official plan to save him. But Valkyrie's never had much time for plans. The problem is, even if she can get Skulduggery back, there might not be much left for him