Valley of Fires
J. Barton MitchellThe sci-fi tour de force series set in an alien-invaded post-apocalyptic world concludes as the teens must unite Earth's disparate survivors to overthrow its alien invaders once and for all.
Earth has been conquered by an alien race known as the Assembly. The human adult population is gone, having succumbed to the Tone—a powerful, telepathic super-signal broadcast across the planet that reduces them to a state of complete subservience. But the Tone only affects the population once they reach their early twenties. Which means that there is one group left to resist: Children. In Valley of Fires the trio of kid heroes -Holt, Mira, and Zoey- are forced apart to accomplish individual quests if they are to have any hope of uniting what reamins of Earth's disparate survivors against its alien invaders.
Mira ventures west to bargain with Van Cleef, the enigmatic leader of North America's most infamous resistance group. But Van Cleef has his own plans...