Keys to the kingdom

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, having survived an encounter with a strange house that nearly killed him on Monday, has to return again when his family and the entire world is threatened by Grim Tuesday.

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's life is saved by a key shaped like the minute hand of a clock, but bizarre creatures from another realm are determined to take the key even if it means killing him.

Seventh-grader Arthur Penhaligon returns to the parallel universe known as the House to fight his latest enemy, Grim Tuesday, whose greed threatens to destroy both the House and the Earth.

Still holding the fourth key, Arthur Penhaligon receives a suspicious offer from Lady Friday and travels to the Middle House to find out if he should accept it.

Arthur Penhaligon, destined to die at a young age, is saved by a key shaped like the minute hand of a clock, but his survival invokes the wrath of the mysterious Mister Monday who will stop at nothing to get the key back, and Arthur is forced into a desperate quest to unravel the secrets of the key and discover his true fate.

When Arthur is drafted into the Glorious Army of the Architect by Sir Thursday, he must survive basic training, avoid getting posted to the Front, and figure out how to free Part Four of the Will, while Leaf tries to banish Arthur's doppleganger on Earth.

Arthur's life is saved by a key shaped like the minute hand of a clock, but bizarre creatures from another realm are determined to take the key even if it means killing him.

Young Arthur Penhaligon must weigh an offer from Lady Friday that is either a cunning trap for the Rightful Heir or a golden opportunity that he must seize.