The beginning of the book is confusing: the heroes seem human, behaviors are animals, there are clans reminiscent to the nobility-clergy-third-state distinctions but here the differences are biological ... Indeed each clan possesses Indeed the attributes of an animal species. We have here the ascent of a growling (pork), falling in love with a Fleuve (wolf) and uncovering the mystery of this "divine creation" enigmatic which is that of his contemporaries. Difficult to classify this book between science fiction and medieval narrative. The revelations of the end if they suggest are staggering, a warning against any sense of human power ...