THE APOCALYPSE HAS COME! It’ s happening! The armies of the Earth are launching their long-awaited invasion of Heaven, and the battle to end all battles begins. The Humen have built a tower to scale the sky, and they’ ve found a new commander to lead them. He’ s here! The new commander wields secret knowledge and powers to which the angels have no answer. This is Heaven’ s most terrible, most unexpected kind of enemy. It’ s time! What will Ferren and the Residuals do now? Will they be the hunted or the hunters? Dare they go up to Heaven to fight the invaders? First, they’ ll need to resolve the infighting among themselves, and Ferren will need to resolve his own feelings between Zonda and Kiet. Meanwhile, Miriael has unfinished business with the beautiful angel she fell in love with…