Uther, the High King, has died, leaving the infant Mordred as his only heir. His uncle, the loyal and gifted warlord Arthur, now rules as caretaker for a country which has fallen into chaos - threats emerge from within the British kingdoms while vicious Saxon armies stand ready to invade. As he struggles to unite Britain and hold back the enemy at the gates, Arthur is embroiled in a doomed romance with beautiful Guinevere. Will the old-world magic of Merlin be enough to turn the tide of war in his favour?

The balance of King Arthur's unified kingdom is threatened by Merlin's quest for the last of Britain's 13 Treasures; by the conflict between the ancient religion and the new Christianity; and by Britain's war with the Saxons. A master storyteller continues his retelling of the Arthurian legend.

In The Winter King and Enemy of God Bernard Cornwell demonstrated his astonishing ability to make the oft-told legend of King Arthur fresh and new for our time. Now, in this riveting final volume of The Warlord Chronicles, Cornwell tells the unforgettable tale of Arthur's final struggles against the Saxons and his last attempts to triumph over a ruined marriage and ravaged dreams. This is the tale not only of a broken love remade, but also of forces both earthly and unearthly that threaten everything Arthur stands for. Peopled by princesses and bards, by warriors and magicians, Excalibur is the story of love, war, loyalty, and betrayal-the work of a magnificent storyteller at the height of his powers.