The Chronicles of Narnia: The Voyage of the Dawn Treader "Box Office Mojo" stated that "There certainly will be an audience for this picture, I just don't think it is going to restore the franchise to its former glory." He added that the film would be considered a relative success if it made anything close to "Prince Caspian"'s box office numbers, which would increase the likelihood of further Narnia films. Mark Johnson, the producer of the Narnia films, later remarked that "Prince Caspian" "had strayed from its core audience," referring to the Christian and family audience who catapulted "The Lion, the Witch, and the Wardrobe" to the top at the
The Chronicles of Narnia maps of Tolkien's Middle-earth, is available in print and in an interactive version on the DVD of the movie. The latter map depicts only the country Narnia and not the rest of Lewis's world. A recurring plot device in "The Chronicles" is the interaction between the various worlds that make up the Narnian multiverse. A variety of methods are used to initiate these cross-overs which generally serve to introduce characters to the land of Narnia. The Cosmology of Narnia is not as internally consistent as that of Lewis's contemporary Tolkien's Middle-earth, but suffices given the more fairy tale atmosphere of