
"Lord Sunday" is the seventh and concluding book in Garth Nix's "The Keys to the Kingdom" series, suitable for readers aged 9-11, though younger advanced readers might enjoy it as a read-aloud. The story follows Arthur Penhaligon as he strives to complete his quest, defeat the final villainous Trustee, and fulfill his destiny as the heir to a magical world. The narrative is packed with action, magic, and significant plot twists, including a nuclear strike on Earth and the revelation of the universe's true origins. Parents should be aware of themes of peril, battles, and a character's sacrifice, as well as the aftermath of a nuclear event, which are handled within the context of a fantasy adventure. The book explores themes of identity, responsibility, and the nature of creation, offering a satisfying and epic conclusion to the series.
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.