Titles:
Skandar and the Skeleton Curse[Hardcover]
Skandar and the Chaos Trials[Hardcover]
Skandar and the Phantom Rider[Paperback]
Skandar and the Unicorn Thief[Paperback]

Skandar Series 4 Books Collection Set By A.F. Steadman:

Skandar and the Skeleton Curse [Hardcover]:
As Skandar and his friends begin their fourth year at the Eyrie, the Islands unicorns are struck by a terrible curse that threatens to change everything. Between a Commodore determined to eliminate the spirit element for good, and a sister hellbent on revenge, nowhere is safe for Skandar.

Skandar and the Chaos Trials [Hardcover]:
Skandar and his sister Kenna are finally both at the Eyrie, but tensions are high.To survive their third year of training, Skandar and his friends must complete a series of terrifying trials across the Islands elemental zones. Friendships, allegiances and rider-unicorn bonds will be pushed to the limit only the strongest will make it.

Skandar and the Phantom Rider:
Skandar Smith has achieved his dream to train as a unicorn rider.But as Skandar and his friends enter their second year at the Eyrie, a new threat arises. Immortal wild unicorns are somehow being killed, a prophecy warns of terrible danger, and elemental destruction begins to ravage the Island.

Skandar and the Unicorn Thief:
Thirteen-year-old Skandar Smith has only ever wanted to be a unicorn rider. To be one of the lucky few selected to hatch a unicorn. To bond with it for life; to train together and race for glory; to be a hero.But just as Skandars dream is about to come true, things start to take a more dangerous turn than he could ever have imagined.