"When Jack and Annie receive an invitation to spend Christmas Eve in Camelot--a magical place that exists only in myth and fantasy--they know they are in for their biggest adventure yet. What they don't know is that the invitation will send them on a quest to save Camelot. Can they succeed even though Camelot's greatest knights have failed?"--Provided by publisher.

Princess Guinevere has come to Camelot to wed a stranger: the charismatic King Arthur. With magic clawing at the kingdom's borders, the great wizard Merlin conjured a solution-- send in Guinevere to be Arthur's wife... and his protector from those who want to see the young king's idyllic city fail. The catch? Guinevere's real name-- and her true identity-- is a secret. She is a changeling, a girl who has given up everything to protect Camelot. Arthur's...

Twelve-year-old Sophie Sawyer's first assignment as a Companion is to help Nimue, a young druid, and Emrys the Excellent, Merlin's thirteen-year-old apprentice, protect the Holy Grail from the evil sorceress, Morgana.

"Young mouse Calib Christopher dreams of becoming a Knight of the Round Table. For generations, his family has led the mice who live just out of sight of the humans, defending Camelot from enemies both big and small. But when Calib and his friend Cecily discover that a new threat is gathering--one that could catch even the Two-Leggers unaware--it is up to them to unmask the real enemy, unite their forces, and save the castle they all call home"--Amazon.com....

"Emry, the daughter of the famed wizard Merlin, must disguise herself as her twin brother to learn magic in Prince Arthur's court, where she finds scandal, danger, and romance"--

Young mouse Calib Christopher is finally a squire to the Knights of the Round Table, but there is no time to celebrate because his best friend, Cecily, and Merlin's magical treasure are in the clutches of the evil Saxons.

The classic story of King Arthur and the Knights of the Round Table.