SIR THURSDAY

Following their adventures in the Border Sea, Arthur and Leaf head forhome. But only Leaf gets through the Front Door. Arthur is blocked becausesomeone - or something - has assumed his identity and is taking over hislife. Before Arthur can take action, he is drafted by Sir Thursday andforced to join the Glorious Army of the Architect. The Army has itsheadquarters in the Great Maze, a defensive area of the House. Half of theMaze has already been dissolved by Nothing, and hordes of Nithlings emergeregularly to attack the rest. If the Nithling invasion can overcome theArmy and the Great Maze, the House will be lost and the whole universe withit. While Leaf tries to banish Arthur's doppelgänger on earth, Arthur mustsurvive his basic training, avoid getting posted to the Front and work outhow he can free Part Four of the Will and gain the Fourth Key from SirThursday. If the latest, strongest and most dangerous Nithling offensivedoesn't break through first...