Auzou Book for friend or foe

On the world of Organd where you've lived since birth, men and dragons are engaged in a relentless war. Drako, the leader of the dragon hunters, is launching an expedition to put an end to the fire-breathers. At the same time, Ervaël, the dragon-child, is looking for a way to save them. But he is closely followed by Léna, Drako's daughter... In this terrible conflict, everyone had to choose a side. And you, will you fight the dragons or help them survive?