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.

While the Olympians struggle to contain the rampaging monster Typhon, Kronos begins his advance on New York City, where Mount Olympus stands virtually unguarded. Now it's up to Percy Jackson and an army of young demigods to stop the Lord of Time.

In this modern version of Greek mythology, Hades, King of the Underworld, tells the true story of Theseus finding his way through the labyrinth to slay the Minotaur.

Thrust into leadership upon the death of his emperor father, young Prince Ahkin feels completely unready for his new position. Though his royal blood controls the power of the sun, he's now responsible for the lives of all the Chicome people. And despite all of Ahkin's efforts, the sun is fading--and the end of the world may be at hand. For Mayana, the only daughter of the Chicome family whose blood controls the power of water, the old emperor's death...

In this updated version of Greek mythology, Hades, King of the Underworld, tells the true story of Hercules and his twelve labors.

Because of a thousand-year-old alliance between humans and pegasi, Princess Sylvi is ceremonially bound to Ebon, her own pegasus, on her twelfth birthday, but the closeness of their bond becomes a threat to the status quo and possibly to the safety of their two nations.

When Neptune tells Emily and her merman father and human mother to return to Brightport to try to make merpeople and humans work more closely together, Emily faces problems with old enemies, her new, half-merfolk friend Aaron, and a mystery related to a group of legendary lost sirens.

Seventh-grader Hercules Beal has to figure out how to fulfill his teacher's assignment of performing the Twelve Labors of Hercules in real life, and discovers important things about friendship, community, and himself along the way.

Accused of stealing the god of love's bow and arrow, Aru has ten days to find the real thief or risk being kicked out of the Otherworld.

Beastologist-in-training Nathaniel Fludd and his Aunt Phil nurse a mysteriously ill unicorn, try to stop Obediah from taking the unicorn's horn, and finally get a solid lead on the whereabouts of Nathaniel's parents.