After surviving horrific conditions in the Maze, Thomas is entrapped, along with nineteen other boys, in a scientific experiment designed to observe their responses and gather data believed to be essential for the survival of the human race. The group has two weeks to cross through the Scorch -- the most burned-out section of the world. And the observers will continuously adjust the variables and stack the odds against them.

Alternate chapters follow teenagers Todd and Viola, who become separated as the Mayor's oppressive new regime takes power in New Prentisstown, a space colony where residents can hear each other's thoughts

"When Moonwatcher, a young NightWing with secret powers, begins school at the academy started by the dragonets of destiny after the end of the war, she soon realizes that someone is attacking the students. Moon must choose whether to help or continue to hide her gifts"--