Ghostlord by Philip Womack
A child's desperate voice is calling to Meg Lewis from the garden of her new house.
As her investigation leads to a knot of deceit, betrayal and cruelty, Meg discovers magical powers of her own.
Mysteries abound: why is a shape-shifting vixen following her? And what secrets lie hidden in the Golden Tower?
Meg finds herself embroiled in a centuries-old battle that threatens the very balance of the world itself.