The Secret Kingdom

From Author Wars - https://authorwars.com/publications/the-secret-kingdom-350075.html

Overview:

Title: The Secret Kingdom
Author: Jenny Nimmo
Year: 2011
ISBN-10: 9780439846738
Publisher: Orchard Books / Scholastic
Price: $16.99
Pages: 224
Binding: Hardcover
Type: Novel
Title Reference: The Secret Kingdom
Notes: Info from Amazon