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The novel was named after the Wraith World which was a hellish dimension in the novel. Hankarda lived in the Wraith World, but he wanted to get into the human world. Professor Bailey and his students lived in the Wraith World as well. They tried to stop Hankarda. The story was written on Sionic Paper. Because of this some of the fictional characters from the Wraith World were appearing in the human world in 2010. However the paper was destroyed by Sarah Jane Smith and her team. The fictional characters got back into the Wraith World. (AUDIO: Wraith World)