The "Keys to the Kingdom" series by Garth Nix follows the journey of Arthur Penhaligon, a young boy who discovers he is the heir to a mysterious and magical realm known as the House. Each day of the week represents a different domain within this enchanted world, ruled by powerful and quirky trustees. Arthur must navigate challenges, confront fears, and unlock the secrets of each domain while battling the forces of the evil Overlord, Mr. Monday. Through a series of thrilling adventures in this captivating universe, Arthur learns about responsibility, friendship, and courage as he strives to reclaim his rightful place in the kingdom. [Generated by language model - please report any problems].

This book is part of a book series called Keys To the Kingdom .

This book is aimed at Young Adult readers. The term Young Adult (YA) is used for books which have the following characteristics: (1) aimed at ages 12-18 years, US grades 7-12, UK school years 8-15, (2) around 50-75k words long, (3) main character is aged 12-18 years, (4) topics include self-reflection, internal conflict vs external, analyzing life and its meaning, (5) point of view is often in the first person, and (6) swearing, violence, romance and sexuality are allowed. This book was published in 2011 by Zatpix .

The two Australian authors, Anna Fienberg and Garth Nix, live in Sydney. Anna is known for her popular stories for all age groups. Garth is known for his teenage fantasy novels.