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

When his master and best friend, Merlin, is kidnapped, there is nothing Nosewise the dog will not do to get Merlin back, even if it means facing the strange Fae people and their magic-eating worms, or tangling with the mysterious Sword in the Stone.

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.

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.

Through adventures involving a haunted marsh, talking trees, and the creature called the ballymag, the young wizard Merlin continues to experience both his growing powers and his essential humanity.

Just when she thought her life as Camelot's official court wizard and as King Arthur's girlfriend were getting settled, Emry Merlin's plans are upended by an unexpected visitor to the court. That visit unleashes a chain of events that sends her, Arthur, and Lance on a quest to defeat Bellicent, an evil sorceress, with magic from her own, deadly realm of Anwen.

When the rose-gold witch Morgause, King Arthur's half-sister, ensnares him into an incestuous liaison to her own evil ends, a fatal web of love, betrayal, and bloody vengeance is woven.

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.

A retelling of four Arthurian legends, "The Sword in the Stone," "Excalibur," "The Lady of the Lake," and "The Last Great Battle," which feature Merlin, King Arthur, and other familiar figures. In this collection of three exciting Arthurian tales, Merlin the magician watches over young Arthur as he rises to become king of all England. But enemies threaten Arthur: Morgan le Fay, the witch, and Mordred, the traitor, plot to bring about the king's destruction....