On the fourth day there was war. Following their adventures in the Border Sea, Arthur and Leaf head for home. But only Leaf gets through the Front Door. Arthur is blocked because someone or something has assumed his identity and is taking over his life. Before Arthur can take action, he is drafted by Sir Thursday and forced to join the Glorious Army of the Architect. While Leaf tries to banish Arthur's doppelganger on earth, Arthur must survive his...

Four of the seven Trustees have been defeated and their Keys taken, but for Arthur, the week is still getting worse. Suzy Blue and Fred Gold Numbers have been captured by the Piper, and his New Nithling army still controls most of the Great Maze. Superior Saturday is causing trouble wherever she can, including turning off all the elevators in the House and blocking the Front Door. Amidst all this trouble, Arthur must weigh an offer from Lady Friday...

Seven days. Seven keys. One very unlikely hero. Arthur Penhaligon has wrested five of the Keys from the Trustees of the Will, but gaining the Sixth Key poses a greater challenge than any before. Superior Saturday is the oldest Denizen and the most powerful sorcerer within the House. She has thousands of sorcerers at her command and has been preparing for the Rightful Heir and the Will's escape all along. As Saturday's schemes become evident, Arthur...

As Arthur Penhaligon seeks to find the seventh key, complete his quest to save the Kingdom to which he is heir, and learn his true identity, he discovers that he has a greater purpose than he could have imagined.

Arthur Denhaligon is not supposed to be a hero. He is, in fact, supposed to die an early death. But then his life is saved by a key shaped like the minute hand of a clock. Arthur is safe - but his world is not. Along with the key comes a plague brought by bizarre creatures from another realm. A stranger named Mister Monday, his avenging messengers with bloodstained wings, and an army of dog-faced Fetchers will stop at nothing to get the key back -...