"Seventeen-year-old Harper Price's charmed life is turned upside down when she discovers she's been given magical powers in order to protect her school nemesis David Stark, who's an Oracle"--

The Greek god Apollo, cast down to earth as the ungifted human teenager Lester Papadopoulos, and his demigod friends must go through the Labyrinth to find the third emperor--and an Oracle who speaks in word puzzles--somewhere in the American Southwest. The Greek god Apollo is still in the persona of ungifted human teenager Lester Papadopoulos. Now Lester and his demigod friends must go through the Labyrinth to find the third emperor-- and an Oracle...

In 1938, three orphans--Theo, Carl, and Ian, ages ten to thirteen--lead three teachers through a portal that takes them from Dover, England, to Morocco in their quest to locate six silver boxes before the ancient prophecies therein are found by the evil Demogorgon's offspring.

"Charlotte is a sixteen-year-old Oracle who is not supposed to interfere with her visions of the future, but when she foresees a classmate's murder, she realizes she must break the rules to stop the killer"--

Twelve-year-old Sif, goddess of the harvest and a reluctant seer whose abilities are woven into her hair, goes on a quest with Freya and Loki after Loki cuts her hair in a prank gone wrong, causing the crops of Midgard to fail.

The teenager Alexander Cold, his best friend Nadia and his grandmother Kate, a specialist in travel journalism, have survived their adventure in the Amazon regions. Now they are setting out for another remote area of the world with some National Geographic photographers. Their mission is to enter a forbidden kingdom, hidden in the icy peaks of the Himalayas, to find the legendary sacred statue and oracle, the Golden Dragon.

Cate Cahill goes into an asylum in order to meet her godmother and another oracle as she continues to try to learn about the prophecy and protect her sisters from the oppressive Brotherhood in an alternate New England of 1900.