When the fallen star struck, it brought death and despair, ash and toxic rain. But some dinosaurs survived ... and were changed. Their minds grew alert. They learned to speak. To dream. To wage war. As the two remaining dinosaur kingdoms fight for territory, Eleri, the disgraced son of a prince, is exiled from his home for saving an enemy soldier. Banished to the merciless Deadlands, a terrifying desert full of tar pits, poisonous gas, and ruthless...

As bloody battle rages between the two surviving dinosaur kingdoms, Eleri and the other young exiles--including a peppy stegosaur, a stoic sauropod, a testy triceratops, and a mysterious spy--have temporarily thwarted the Carrion Kingdom, a conniving cabal of carnivores, and destroyed their secret stronghold. Fearing that their cunning enemies will soon regroup and seek vengeance, the exiles must risk their lives by returning home to unite and lead...