Lucas Vicars

Skandar Smith has always yearned to leave the Mainland and escape to the secretive Island, where wild unicorns roam free. He’s spent years studying for his Hatchery exam, the annual test that selects a handful of Mainlander thirteen-year-olds to train to become unicorn riders. But on the day of Skandar’s exam, things go horribly wrong, and his hopes are shattered…until a mysterious figure knocks on his door at midnight, bearing a message: the Island is in peril and Skandar must answer its call.

Though the Greek and Roman crewmembers of the Argo II have made progress in their many quests, they still seem no closer to defeating the earth mother, Gaea. Her giants have risen - all of them - and they're stronger than ever. They must be stopped before the Feast of Spes, when Gaea plans to have two demigods sacrificed in Athens. She needs their blood - the blood of Olympus - in order to wake.

Percy Jackson isn't expecting freshman orientation to be any fun. But when a mysterious mortal acquaintance appears on campus, followed by demon cheerleaders, things quickly move from bad to worse.