'Utterly brilliant. Sensationally swashbuckling. Completely magical' – A.F Steadman, author of Skandar and the Unicorn ThiefFrom the award-winning author of The Storm Keeper's Island, set sail on Catherine Doyle's latest perilous adventure to the magical islands of DarkseaDeep in the heart of the Atlantic Ocean, where the full moon rests on the horizon, lies a secret kingdom called Darksea. R…