A year on from Dragonfire and life has calmed down for Neil and Clara MacLean -- until they get tangled up in the hunt for the missing Sultan's Crown, and the secrets of the mysterious Black Tower.

Winged horses, snow witches and magic mirrors are not far away.From an Edinburgh literally cloaked in tartan, through the forbidding Highland hills, Neil and Clara set out with old and new friends on a perilous journey full of danger, daring -- and a reluctant broomstick.