IV book of the Marco Valerio cycle: The Sword on the Rock

Marco will not be allowed to stay long in Britain: having accomplished his mission he will have to leave his new friends with the promise to return as soon as possible, but in the meantime his responsibilities will urgently call him back to the continent, where a worrying number of ancient enemies are is slowly gathering around the frontiers of Clovis's new kingdom.

The struggle for the fate of the West is about to enter its most decisive phase.