Charlie Thorne is a genius. Charlie Thorne is a renegade. Charlie Thorne isn’t going down without a fight. After tracking down incredible discoveries by Einstein and Darwin, Charlie is back. This time, the great ruler Cleopatra has left behind an extremely valuable and powerful treasure, its location encoded on an ancient stone tablet. In 30 BCE, Cleopatra and her husband, Marc Antony, lost their war against Octavian for control of the Egyptian...

Cleo and her friends embark on a quest to the city of Hykosis in search of the time tablets that could determine Cleo?s fate. But the group is separated and there?s danger lurking around every corner for Cleo and Akila. Will they make it out alive?

Cleo goes into hiding after a mysterious death at Yasiro Academy, and she and her friends set out to uncover the spy who must be working within the school's ranks. Meanwhile, Xaius Octavian continues his assault on the galaxy as his complicated origin story, and how he went from being Cleo's best friend to a ruthless dictator, is revealed. In the end, a space battle and dramatic confrontation between Cleo and Octavian will change both of their lives...

Fifteen-year-old Cleopatra is transported to the future to save the galaxy.

Cleo is back at Yasiro Academy, recovering from the tragic events that occurred on planet Hykosis. She feels responsible for the death of her friend Zaid, and trains nonstop. And when she learns that the Golden Lion -- a star with immeasurable energy that could destroy them all if weaponized -- has been located, she goes alone to the snowy, icy planet Cada'duun to find it. There, she faces off with a new enemy who has been instructed to destroy the...