With the realm at peace and few dragons about, the Knights of the Round Table are bored, so Merlin sends them to face the most terrible lizards of all--dinosaurs.

Young Arthur meets a dragon and comes to accept him as a friend and mentor.

When young Arthur is troubled by dreams, Merlin tells him a story about a fatherless boy who himself dreamed about dragons and the defeat of the evil king Vortigern.

When she joins her father and several others investigating a strange whirlpool and possible sunken treasure ship off the coast of Baja California, thirteen-year-old Kate is drawn into a centuries-old conflict between Merlin and the evil Vagar.

Having stumbled upon his hidden powers, the young wizard Merlin voyages to the Otherworld in his quest to find himself and the way to the realm of the spirit.

Having voyaged to the Otherworld in his quest to find himself, the young wizard Merlin must face fire in many different forms and deal with the possibility of losing his own magical power.

The quest for the Holy Grail is postponed again when Ailis is kidnapped by Morgain the sorceress, and her friends, Newt and Gerard, must leave the court of King Arthur seeking to rescue her, accompanied by a grumbling knight.

The magic tree house takes Jack and Annie to Antarctica to search for the fourth secret of happiness for Merlin.

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.

After an all-out battle in Mexico, Jax, Riley, and Evangeline have gone into hiding. There are still rogue Transitioners and evil Kin lords on the hunt for Riley, a descendant of King Arthur, and Evangeline, a powerful wizard with bloodlines to Merlin, in order to gain control over the Eighth Day. So when Finn Ambrose, a mysterious stranger, contacts Jax claiming to be his uncle, Jax's defenses go up -- especially after Jax learns that he's holding...