bộ how to train your dragon: how to betray a dragon's hero (book 11)

In Hiccup the Viking's misadventures, the stakes have never been higher, and it's friend versus foe to decide the fate of the world. In this, the penultimate title in the amazing story arc that began with "How to Train Your Dragon," Hiccup is faced with a personal dilemma against the backdrop of an impending battle and the possible destruction of everything he knows.