Jeyn Roberts’ sequel to Dark Inside , Rage Within provides vignettes of major protagonists just before massive earthquakes and a mass-murder apocalypse transform the world. Picking up six weeks later, presumably after the events of the first book, it follows the exploits of a band of survivors who have found each other in Vancouver, British Columbia. The Baggers, a subset of humans who have spontaneously become ruthlessly homicidal and well-organized, are hunting survivors down, and taking some to a holding area downtown. Group leader Aries manages her band through the losses and instability of a changed world until the two enigmatic men she has befriended both vanish, prompting her to lead the rag-tag collection of young adults in a raid on the Baggers’ compound. Roberts uses a shifting perspective with each chapter, bouncing back and forth between the main characters’ points of view, with each having several chapters bearing their name, except one. By noting which...