Drowned Wednesday

Drowned Wednesday is the third book in The Keys to the Kingdom series by Garth Nix. It continues the story of Arthur Pehaligon and his quest to fulfil a mysterious Will in order to reclaim an otherworldly House from seven antagonistic Trustees. Following the events of the previous novel, Arthur must secure the third part of the Will from a fiendish pirate in order to save the Border Sea from Drowned Wednesday's insatiable appetite.