Used book - L'INCONNU DU DONJON, Évelyne Brisou-Pellen, Nicolas Wintz

The roads are unsafe in this year 1354, and Garin finds himself caught in a fight between the French and the English, and imprisoned in Montmuran Castle. With him is a strange prisoner, a man whose name no one knows. Garin discovers his identity. Alas, this will only cause him trouble... especially when it is noticed that the prisoner has mysteriously vanished. Garin Trousseboeuf tries to understand: his life depends on it...