When Pegasus crashes onto a Manhattan roof during a terrible storm, thirteen-year-old Emily's life changes forever. Suddenly allied with a winged horse she'd always thought was mythical, Emily is thrust into the center of a fierce battle between the Roman gods and a terrifying race of multiarmed stone warriors called the Nirads. Emily must team up with a thief named Paelen, the goddess Diana, and a mortal boy named Joel in order to return Pegasus to Olympus and rescue the gods...

Emily, newly recognized as the Flame, is living in Jupiter's palace on Mt. Olympus. Her friends, Joel, Paelen, and--of course--Pegasus, are there as well. The only person missing is Emily's father, who is still being held prisoner by the CRU back in the human world. Emily wants to go find him, but Jupiter won't allow her to leave. However, Emily does have access to a winged horse...

Determined to rescue her father, Emily and her friends make plans to sneak away from...

When Emily's father and the goddess Diana return from a visit to Earth, they bring with them disturbing news. There's a horse called Tornado Warning that's winning all the races, with times faster than anyone's ever seen. What could this mean? Emily, Joel, Paelen, Pegasus, and the sphinx Alexis return to Earth to investigate--and discover a CRU plot to clone Olympians and Nirads using DNA retrieved from their previous time in the human...

A deadly plague has struck Olympus. While the Olympians fade one by one, Emily's heart breaks as she watches, particularly when Pegasus begins to slip away. Determined to save him, she embarks on an investigation that takes her back in time to the origins of Olympus and to the deadly battle between the Olympians and the Titans.

In the present, she must face the force of the CRU. In the past, she must confront Cronus, the father of the gods and leader of the...