When Fionn Boyle sets foot on Arranmore Island, it begins to stir beneath his feet.Once in a generation, the island chooses a new Storm Keeper - someone to wield its power and keep its magic safe from enemies. The time has finally come for Fionn's grandfather, a secretive and eccentric old man, to step down. Soon, a new Keeper will rise.Fionn's ancestral home has been waiting for him. But deep underground, someone else has been waiting, too. As a battle rages, over who will become the island'...

'A truly epic finale to one of the best trilogies of recent years' KIRAN MILLWOOD-HARGRAVE

'Magical in every way' EOIN COLFER, author of Artemis Fowl

Fionn Boyle, Storm Keeper of Arranmore, is facing the fight of his life.

The terrifying all-powerful sorceress Morrigan has been raised from the dead and has sealed off the island from all help.

Fionn is the only thing that stands between her and a dark future.

He's got to find a way to defeat her.

But there are some terrible choices in store f...

'Utterly brilliant. Sensationally swashbuckling. Completely magical' - A.F Steadman, author of Skandar and the Unicorn Thief

From the award-winning author of The Storm Keeper's Island, set sail on Catherine Doyle's latest perilous adventure to the magical islands of Darksea

Deep in the heart of the Atlantic Ocean, where the full moon rests on the horizon, lies a secret kingdom called Darksea. Ruled by the Pirate King, Captain O'Malley, Darksea's tranquil waters have, of late, been haunted by...