Reborn as the Flame, thirteen-year-old Emily has saved Olympus from destruction but when the gruesome Nirads begin a new invasion, Emily and her friends become entangled in the conflict as old grudges are unearthed and new enemies are discovered.

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.

"Astraea, Zephyr, and their friends travel to a dangerous jungle world in this second book of the Titans series"--

"A deadly plague has struck Olympus and is slowly aging and killing the Olympians. Emily can only stand by and watch as those she loves fade and die. But in one last desperate attempt to save those she loves, she journeys back to Earth to face the CRU, then back in time to confront Cronus, leader of the Titans and father of the gods"--

"Freya is a Valkyrie, a reaper of souls. But she hates what she must do. She doesn't like humans and the pain they inflict on each other, and she never wants to visit another battlefield. But when a soldier begs her to help his family back in the human realm, she agrees and discovers a world of friends. Now she'll have to find a way to keep her promise to the soldier and prevent the wrath of Odin from destroying the world"--

"Astraea and Zephyr venture to the Mimic home world in order to save Titus and defeat the Mimics for good in this third book of the Titans series"--

"Pegasus and Emily investigate a series of incidents back on Earth, and discover that the CRU has been cloning Olympians"--

Riley thought she was through with Atlantis, but when the Atlanteans who came back with her (and are currently living in the basement) become gravely ill it becomes clear they must all return to Atlantis--and face the enemies they made during their escape.