Children of the Mind is the fourth and final novel in the Ender quartet, continuing precisely where Xenocide leaves off. In fact, the novel begins even at the moment when Si-Wang-mu, the young servant girl from Path, joins Ender's brainchild Peter to join him in his mission to stop the Lusitania Fleet from destroying Lusitania. <br> <br>This study guide includes the following sections: Plot Summary, Chapter Summaries & Analysis, Characters, Objects/Places, Themes, Style, Quotes, and Topics for Discussion.