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.

Percy Jackson's hope for a normal senior year is shattered as the gods present him with three quests, beginning with the retrieval of Zeus's goblet, in order to get the necessary three letters of recommendation for college.

The Greek and Roman demigods must simultaneously prevent the earth mother, Gaea, from waking and stop war from breaking out at Camp Half-Blood.

Adaptations of the stories of the Greek gods are presented through the insider perspective of the (amusingly snarky) modern son of Poseidon, Percy Jackson, who interprets the creation myth while offering a personal take on his ancient associates.

As monsters walk the streets of San Francisco, unseen by humans, three teenaged descendants of Medusa, the once-beautiful gorgon maligned in Greek mythology, must reunite and embrace their fates.

When a young Cuban American girl discovers that she's one of the nine muses of Greek mythology, she must use her newfound powers to help a brilliant classmate who is destined to save humanity.

Now united, the three descendants of Medusa must find the gate between the human and monster world to achieve their destiny.