 Along the way, they make two new friends, the giant Mr. Tur Tur (who is actually a "Scheinriese", a "seeming giant" – he only appears to be a giant from afar; when approached, it turns out he is actually of normal height), and Nepomuk, the half-dragon.Jim and Luke free Princess Li Si and a large number of children, who had all been kidnapped and sold to Mrs. Grindtooth by a gang of pirates (the Wild 13).Mrs.