Athena and Hermes' search for the cause of their unexpected, life-threatening illnesses leads them to Cassandra, a former prophetess, who may be key to a war started by Hera and other Olympians who have become corrupt anti-gods determined to destroy their rivals. (sequels:  Mortal Gods and Ungodly)

Eden, Michigan, high school student Kate Winters strikes a bargain with Henry, Greek god of the underworld, if he'll cure her dying mother of cancer. The bargain she strikes with him is a grim one, but the full enormity of what she has undertaken--"live forever or die trying"--is not revealed until it's too late to recant.  (Sequels:  The Goddess Hunt, Goddess Interrupted, etc.)

The island of Ithaka is overrun with uncouth suitors demanding that Penelope choose a new husband, as she patiently awaits the return of Odysseus from the Trojan War.

When sixteen-year-old Telemachos and his two best friends, one a centaur, leave their life of privilege to undertake a quest to find Telemachos's father Odysseus, they learn much along the way about what it means to be a man and a king.

After fourteen-year-old classics prodigy Jack Perdu has a near fatal accident he meets Euri, a young ghost who introduces him to New York's Underworld, where those who died in New York reside until they are ready to move on, and Jack vows to find his dead mother there. (sequel: The Twilight Prisoner)

When her mother suddenly decides to marry a near-stranger, Phoebe, whose passion is running, soon finds herself living on a remote Greek island, completing her senior year at an ancient high school where the students and teachers are all descended from gods or goddesses.

Thirteen-year-old Pandy is hauled before Zeus and given six months to gather all of the evils that were released when the box she brought to school as her annual project was accidentally opened. Each book is her search for another of the evils.

Part of the Pandora series.

The "talk" was bad enough, but how many teens get told that they're a goddess? When her mom tells her, Persephone is sure her mother has lost her mind. It isn't until Boreas, the god of winter, tries to abduct her that she realizes her mother was telling the truth. Hades rescues her, and in order to safely bring Persephone to the Underworld he marks her as his bride. But Boreas will stop at nothing to get Persephone. Despite her growing feelings for Hades, Persephone wants to return to the living realm. Persephone must find a way to defeat Boreas and reclaim her life.  (Sequels:  Daughter of the Earth and Sky and The Iron Queen)