we have a few of the original issue slightly smaller PB that fits with the original HB size.
Author: Delaney, Joseph, Binding: Paperback, Imprint: Red Fox, Series: The Wardstone Chronicles, Publisher: Random House Children's Publishers UK, Published: 26/05/2011, Pagination: 416 pages, Illustrations, maps, Classification: Children's, young adult & educational, Country of Publication: United Kingdom