On Christmas Eve, Jack and Annie's tree house transports them to King Arthur's castle at Camelot, where they undertake a quest to the castle of the Otherworld.

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...

Welcome to the great kingdom of Camelot! Prince Arthur's a depressed botanist who would rather marry a library than a princess; Lancelot;s been demoted to castle guard after a terrible misunderstanding, and bi-sexual Emry Merlin travels to the royal court to impersonate her brother. Life in King Uther's court is full of scandals, lies, and backstabbing courtiers-- but this may be her only chance to become the greatest wizard Camelot has ever known.--...

"It's the Festival of the Stone, and dinosaurs from across the land will try to pull the great horn Rex-calibur from the magical stone. The one who succeeds shall be crowned king or queen. Arthur-a-tops is probably the least likely to accomplish the task. And yet...could he be the one true king? In this completely reimagined Camelot featuring dino-squires, the trusty Merlin-a-dactyl, and easy-to-trip-over dinosaur tails, O'Hara transforms this classic...

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.