How does the author use foreshadowing in Bone: Out from Boneville?

The author uses the art within the book to foreshadow the meeting of Fone and the dragon as he draws the large eyes of the creature looking out of a cave. When the dragon appears, saving Fone, and foreshadowing the relationship between the dragon and the other characters later in the story. Additionally, Fone's lack of attention to the dragon foreshadows their more intimate meeting later in the novel.