A companion to Ilium finds the briefly allied Achilles and Hector laying siege to the home of the gods, inadvertently triggering a massive conflict between humanity and such powerful beings as Setebos, Prospero, and Caliban.

"Percy Jackson is about to be kicked out of boarding school ... again. And that's the least of his troubles. Lately, mythological monsters and the gods of Mount Olympus seem to be walking straight out of the pages of Percy's Greek mythology textbook and into his life. And worse, he's angered a few of them. Zeus's master lightning bolt has been stolen, and Percy is the prime suspect. Now Percy and his friends have just ten days to find and return Zeus's...

When Zeus, Hades, and Poseidon continue on a new quest in the search for the Helm of Darkness, they discover many things in the Underworld that Hades does not fear except a giant three-headed dog.

"Nationally bestselling author of Daughters of Sparta Claire Heywood returns with an imaginative and female-centered reinterpretation of the myth of the great hero Perseus, told through the voices of three women who are sidelined in the traditional version - his mother Danae, his trophy Medusa, and his wife Andromeda - but whose viewpoints reveal a man who is not, in fact, a hero at all"--

"Edward Fosca is a murderer. Of this Mariana is certain. But Fosca is untouchable. A handsome and charismatic Greek tragedy professor at Cambridge University, Fosca is adored by staff and students alike-particularly by the members of a secret society of female students known as The Maidens. Mariana Andros is a brilliant but troubled group therapist who becomes fixated on The Maidens when one member, a friend of Mariana's niece Zoe, is found murdered...

"Achilles Kallis vowed that he'd do whatever it took to claw his way into Olympus's inner circle. Now that the former Ares is gone and the coveted role has opened to anyone with the strength to claim it, he and his partner, Patroclus Fotos, plan to both compete and double their odds of winning. Neither expect the infamous beauty Helen Kasios to be part of the prize... or for the sparks that fly when the three of them meet. Zeus may have decided Helen...

Goddess of the hearth Hestia feels invisible at Mount Olympus Academy.

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.

Despite being the muse of epic poetry, Calliope has trouble putting her bright and fun ideas into action.