Jason, Piper, and Leo, three students from a school for "bad kids," find themselves at Camp Half-Blood, where they learn that they are demigods and begin a quest to free Hera, who has been imprisoned by Mother Earth herself.

The long-awaited prophecy surrounding Percy Jackson's sixteenth birthday unfolds as he leads an army of young demigods to stop Kronos in his advance on New York City, while the Olympians struggle to contain the rampaging monster, Typhon.

When the god of thunder's hammer goes missing, Magnus Chase and his friends are tasked with retrieving it before an onslaught of giants attacks the mortal world.

Greek and Roman demigods Nico, Jason, Reyna, Leo, and Piper try to stop Gaea, the Earth Mother, who needs the blood of two demigods sacrificed in Athens--the blood of Olympus--to awaken. Meanwhile, the friends keep having frightening visions of a great war at Camp Half-Blood that could be the end of all of them.

Cast down from Olympus and transformed into a human after angering Zeus, a weak and disoriented Apollo arrives in New York City as a regular teen and is forced to survive in the modern world while endeavoring to regain Zeus' favor.

Leaving the safety of the demigod training ground, a disgraced Apollo embarks on a quest across North America to find a dangerous ancient-world Oracle while navigating the challenges of the evil Triumvirate.

Magnus Chase has always been a troubled kid. Since his mother's mysterious death, he's lived alone on the streets of Boston, surviving by his wits, keeping one step ahead of the police and the truant officers. One day, he is tracked down by a man he's never met -- a man his mother claimed was dangerous. The man tells him an impossible secret: Magnus is the son of a Norse god. The Viking myths are true. The gods of Asgard are preparing for war. Trolls,...

Demi-god Percy Jackson and his friends must journey into the Sea of Monsters to save their camp. But first Percy will discover a secret that will make him wonder whether being claimed as Poseidon's son is an honor or a cruel joke.

"The winds of change are blowing upon Fireach Speur. Aoelyn risked her life to save the trader Talmadge and it cost her everything that is dear to her, but Talmadge survived and can't forget the amazing woman who killed a god. Little do they realize, waris coming to the mountain. Far to the west, a fallen empire stirs. One that sees a solar eclipse as a call to war. Their empire once dominated the known world and they want it back"--

This conclusion to the three previous books about Daine and her wild magic solves many of her problems and hints at the love that lies in her future.