A Hero Returns: War of Change (A Steven Univ...
Emerald has returned, and taken charge of The Legion, the male Gem army. As Yellow Diamond prepares for war, Steven and the Crystal Gems notice changes in Emerald, and not entirely for the better. And on top of that, there are traitors among them, one searching to kill Emerald. Will Steven and the Crystal Gems be able to save Emerald from the traitors, as well as from himself? Will Emerald be able to defeat Yellow Diamond, and save the male Gems?
(The third and last book of the Hero trilogy)