This article is about the book written by Emily Rodda. For the fictional object of the same name go to The Deltora Book of Monsters. The Deltora Book of Monsters is book written by Emily Rodda and illustrated by Marc McBride. It is a guide to the different creatures of Deltora. The book is written in a way that make it sound like a work of the palace librarian Josef. The book was inspired by a book in the story that had the same title, and which was written by Josef, and is supposed to be a real world equivalent to it, just as Tales of Deltora was a real life equivalent to a book by the same name in the story.