David prepares for a confrontation against the High Epic to help his friend, Prof, achieve redemption and embrace his destiny.

"All her life, Spensa has dreamed of becoming a pilot. Of proving she's a hero like her father. She made it to the sky, but the truths she learned about her father were crushing. The rumors of his cowardice are true--he deserted his flight during battle against the Krell. Worse, though, he turned against his team and attacked them. Spensa is sure there's more to the story. And she's sure that whatever happened to her father in his starship could...

"David and the Reckoners continue their fight against the Epics, humans with superhuman powers, except they may have met their match in Regalia, a High Epic who resides in Babylon Restored, the city formerly known as the borough of Manhattan"--

Landing on a new planet where he's instantly caught up in the struggle between a tyrant and the rebels, Nomad, in a world under constant threat of a sunrise whose heat will melt the very stones, must gain enough power to leap offworld before he pays the ultimate price.