While protecting egotistical transfer student Orion, Artemis makes a mistake that later provides her with the chance that she has both hoped for and dreaded, to prove her courage to herself and others at Mount Olympus Academy.

Despite the warnings of her friends at Mount Olympus Academy, Persephone befriends bad-boy Hades, but following her mother's advice to "go along to get along" complicates her relationships with all of them.

Athletic Artemis rails against the all-boys' Olympic Games at Mount Olympus Academy, which leaves her at odds with her twin brother, Apollo, while a mortal boy named Actaeon catches her eye.

Artemis, Aphrodite, Persephone, and Athena organize their own girls-only Olympic games at Mount Olympus Academy, but crush-stealing Amazons, a winged horse, and a kitten named Adonis complicate their plans.

Sporting a quizzical nature that renders her famous at Mount Olympus Academy, Pandora is curious about a box in the possession of godboy Epimetheus and cannot resist opening the box when it falls in her lap.

When Orpheus, a charming mortal musician, arrives at Mount Olympus Academy, he asks Persephone to help reunite him with his lost love, Eurydice, but trying to manipulate the rules of the underworld puts her at odds with her boyfriend, Hades.

During Ares' birthday, Aphrodite is intent on making sure he has a good time, but that requires her to keep an eye on his sister Eris, who is planning mischief.

"Iris is the most colorful goddess girl at Mount Olympus Academy. In fact, her hair and delicate wings can change color according to her mood! When Principal Zeus entrusts her with the job of fetching some magic water, Iris is tickled pink--until she realizes she'll have to get the water from the gray, gloomy River Styx in the Underworld! And when Iris figures out how to create magical rainbow slides that will allow her to travel from Mount Olympus...

"Hestia feels unseen at Mount Olympus Academy in this eighteenth Goddess Girls adventure"--Provided by publisher.

At Mount Olympus Academy, twelve-year-old Calliope, the muse of epic poetry, is having trouble finding her own inspiration to complete a school project and find a roommate.