User Summary: Le signe du Serpent is a campaign for Légendes, it contains two books and a screen. The first book describes the campaign: the characters accept the challenge of a visiting bard and leave their tribe, to find and defeat a powerful sorcerer of the Hyperboreal Isles and come back with an artifact called the Serpent Sign. The characters will have to travel across Gaul, hire a ship to Ireland, seek the help of the Fianna in order to reach the Hyperboreal Isles, and finally find the Lost World and the serpent-men volcano, where their quest objective is hidden. The screen coming with the game contains important plans, and the second book is full of illustrations, maps and rule summaries.