misadventures of Viking underdog Hiccup Horrendous Haddock III and his dragon, Toothless. In Book 9, a dragon rebellion is coming--filled with the meanest, nastiest dragons in the Archipelago. Razor-wings, Tonguetwisters, and Vampire Ghouldeaths are attacking Vikings and seem to be seeking one soul in particular: Hiccup Horrendous Haddock the Third! Only a King can save them...and only a champion with all of the King's Lost Things can be King...