Sir Dinadan and his friend Sir Palomides, Sir Gaheris, Sir Terence, and other knights of the Round Table and their associates try to stop Mordred and his White Horsemen from ending King Arthur's rule of Great Britain.

Terence worries about the lengthy absence of his faery friends as he travels to Greece to aid the Emperor Alexander and attempts to thwart a nefarious plot by Mordred to assume the throne held by King Arthur.

Derfel, once a captain in Arthur's warband, recalls the days of Guinevere, Lancelot, Merlin and Bishop Sansum. But, above all, it tells the story of Arthur, the only man who can hold Uther's throne for its infant heir, and unite Britain's squabbling kingdoms against the enemy.

The Book Without Words appears to be a volume of blank parchment pages. But for a green-eyed reader filled with great desire, it may reveal the forgotten magical arts of making gold and achieving immortality. For generations, its magic has been protected from those who would exploit it. But on a terrible day of death and destruction, the Book Without Words falls into the hands of a desperate boy.

Yearning for adventure, the young Knights of the Round Table are drawn to Orkney, Scotland, where they face a kraken and other monsters, including Queen Margause and her son, Mordred.

Merlinnus the magician devises a way for King Arthur to prove himself the rightful king of England--pulling a sword from a stone--but trouble arises when someone else removes the sword first.

Acting as the "son" her father never had, Gwenhwyfar, when called upon to serve another purpose by the Ladies of the Well, bows to circumstances to become Arthur's queen--only to find herself facing temptation and treachery, intrigue and betrayal, but also love and redemption.

A story of love, war, loyalty and betrayal that begins with the failure of Lancelot's rebellion and the ruin of Arthur's marriage. Sensing disunity, the Saxons declare war. However, Arthur is victorious at Mount Badon, but the promises he made come back to haunt him after years of peace and glory.