When the goddess Artemis disappears while hunting a rare, ancient monster, a group of her followers joins Percy and his friends in an attempt to find and rescue her before the winter solstice, when her influence is needed to sway the Olympian Council regarding the war with the Titans.

"It's time for the annual Olympic Games, and the four goddessgirls are not happy! It's boys only--and the girls at MOA are not pleased. Led by Artemis, Athena, Persphone and Aphrodite, the ladies of Mount Olympus hatch a plan to get Zeus to open up the games to everyone. Will they succeed--or end up watching from the sidelines again?"--Publisher.

A modern-day goddess of the moon, Artemis, journeys back to the seat of her immortal power in order to save her father and friends from a power-hungry cult. Summer in New York, but a dark time for Selene: she's lost her home and the man she loves. A cult hungry for ancient power has kidnapped her father and targeted her friends. Now Selene must face the past she's been running from-- a past that stretches back millennia, to when the faithful called...