Caught in the middle of an ancient power struggle, Emily and Pegasus must venture to Diamond Head volcano in Hawaii to track down the one thing that can save Olympus--before the Titans get there first.

"Seventeen-year-old Pierce Oliviera knew by accepting the love of John Hayden, she'd be forced to live forever in the Underworld. But now her happiness and safety are threatened because the Furies have discovered that John has broken one of their strictest rules, and the only way to fix the balance is for someone to die"--

Torn apart by grief and anger, twin witches Hunter and Mercy Goode go their separate ways until Mercy's focus on the Egyptian Gate and Khenti, the guardian of its Underworld, lands her in the kind of trouble from which only Hunter can save her.

In the Dominican Republic, twelve-year-old Pilar helps Carmen hunt for the escaped demon El Baca and his mysterious new ally, and now, facing the threat of an ancient enemy, Pilar must harness her bruja powers in order to save Zafa and her family.

With the rainbow bridge closed, Freya and the Valkyries must find another way to try to stop the war that threatens not just Asgard, but the human world, as well.

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.

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.

When the Monster Mapalogue sends them to mythic Greece, Draculaura, Cleo De Nile, and the other "ghoulfriends" meet the good-looking Deuce Gorgon, but there may be more to him than meets the eye.

"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...

When seventeen-year-old friends Liv and Will are accepted in a semester-at-sea program, they are excited to spend six weeks aboard the luxury cruise ship The Eos, but after Will disappears the first night, Liv grows suspicious that something sinister is lurking below deck.