Dark Days (Skulduggery Pleasant Series #4)

Oh yes. And dead.

Skulduggery Pleasant is gone, sucked into a parallel dimension overrun by the Faceless Ones. If his bones haven’t already been turned to dust, chances are he’s insane, 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, th...