A strange boy and dog remind Will Stanton that he is an immortal, whose quest is to find the golden harp which will rouse others from a long slumber in the Welsh hills so they may prepare for the ultimate battle of Light versus Dark. With the final battle between the Light and the Dark soon approaching, Will sets out on a quest to call for aid. Hidden within the Welsh hills is a magical harp that he must use to wake the Sleepers--six noble riders...

Nia, the middle girl in a large Welsh family, discovers her own special artistic talent as she uncovers the dark secret shared by the Llewelyn and Griffiths families.

In 1939 Wales, a strawberry roan Welsh pony named Lily and her rider Gwen are Pony Club members who enjoy competing in gymkhana games, but the start of World War II brings changes to their routine and a new member to the Pony Club--a prickly girl named Bridget, sent to the country to escape the threat of bombings in London.

After years of having moved around, eleven-year-old Dinah determines to make a huge, dilapidated old mansion into a home for her mother and herself, but the wild beasts she summons from a stone wall to protect her may also imprison her.

Three children on vacation in Cornwall find an ancient manuscript which sends them on a dangerous quest that entraps them in the eternal battle between the forces of the Light and the Dark. The Drew siblings--Simon, Jane, and Barney--are on a family holiday in Cornwall when they discover an ancient map in the attic of the house they are sharing with their Great Uncle Merry. They know immediately that the map is special but have no way of knowing...