Darrow is a Red, a member of the lowest caste in the color-coded society of the future. Like his fellow Reds, he works all day, believing that he and his people are making the surface of Mars livable for future generations. Yet he toils willingly, trusting that his blood and sweat will one day result in a better world for his children. But Darrow and his kind have been betrayed. Soon he discovers that humanity reached the surface generations ago. Vast cities and lush wilds spread across the planet. Darrow—and Reds like him—are nothing more than slaves to a decadent ruling class.

Twenty-year-old Violet Sorrengail was supposed to enter the Scribe Quadrant, living a quiet life among books and history. Now, the commanding general—also known as her tough-as-talons mother—has ordered Violet to join the hundreds of candidates striving to become the elite of Navarre: dragon riders. But when you’re smaller than everyone else and your body is brittle, death is only a heartbeat away...because dragons don’t bond to “fragile” humans. They incinerate them.

A man. His ex-girlfriend's cat. A sadistic game show unlike anything in the universe: a dungeon crawl where survival depends on killing your prey in the most entertaining way possible. In a flash, every human-erected construction on Earth - from Buckingham Palace to the tiniest of sheds - collapses in a heap, sinking into the ground. The buildings and all the people inside have all been atomized and transformed into the dungeon: an 18-level labyrinth filled with traps, monsters, and loot.

It has been 20 years since the end of the war. The dictatorial Augurs, once thought of almost as gods, were overthrown and wiped out during the conflict, their much-feared powers mysteriously failing them. Those who had ruled under them, men and women with a lesser ability known as the Gift, avoided the Augurs' fate only by submitting themselves to the rebellion's Four Tenets.

The United States government is given a warning by the preeminent biophysicists in the country: current sterilization procedures applied to returning space probes may be inadequate to guarantee uncontaminated re-entry to the atmosphere.