In the second part of Dragonstower, and the third book in the Peter Farrier series, the summer of 1066 sees Europe teeter on the brink of war. Lancelot's descendants claim the English throne, massing their armada off the south coast, whilst the Vikings threaten England's eastern coast. And King Edward has promised his crown to the Saxon Earl, Harold Godwinson. But darker forces are emerging, threatening a conflict far more destructive than the petty arguments of men. Unseen by the feuding nations, two factions of Warlocks are emerging, their visions for the future of mankind radically different. Flung in to this simmering cauldron of greed and ambition, Peter Farrier, Isadora Greenwood, Charlie Sadler and Simon Jenkins must chose their sides. As the great Battle of Hastings draws near - and the history of the world hangs in the balance - the twenty-first century teenagers find themselves drawn into the vortex of magic that will define their destiny and threaten to re-shape our world. As events unfold with dizzying speed, has Merlin the strength to steer their path through a war-torn Europe? Or will 1066 become known as the year that civilisation began to crumble?