While the hugely popular Divergent (2011) welcomed dystopian fans of every stripe with its irresistable concept and hybridization of genres, this sequel is more for hard-core fans good thing if you're a devotee but a bit overwhelming for fence-riders. Rocked by the recent simulation war, the five factions engage in increasingly dangerous power plays to pick up the pieces. Tris and her love, Tobias, both daredevils of the Dauntless faction, are key players in these skirmishes, most of which focus upon the fiendishly logical Erudites and almost all of which are complicated by backstabbers and turncoats. It remains a great deal of fun to watch these cliques-taken-to-extremes duke it out with their various strengths and weaknesses, and Roth delivers the goods when it comes to intense, personal violence (no superpowers to be found here) and compelling set pieces (as when Tris undergoes a public "truth serum" interrogation). Newcomers, and even some old hands, might get buried under all the transposable characters and faction minutia, but those who stick it out will be rewarded with quite the cliff-hanger HIGH-DEMAND BACKSTORY: Divergent was the kind of best-seller juggernaut debut authors dream of. With high-profile movie rights already sold, you can bet you'll see this sequel on everyone's must-read list.

After uncovering a plot that shatters their "faction"-based society, Tris and Tobias are on the run. Now their survival depends on choosing whom to trust and discovering why one faction plotted against the others. While remaining action-packed and gritty, the meatier portion of this sequel to Divergent focuses on the psychological trauma caused by violence and loss.

In this addictive sequel to the acclaimed Divergent (2011), a bleak post-apocalyptic Chicago ruled by "factions" exemplifying different personality traits collapses into all-out civil war. With both the Dauntless and Abnegation factions shattered by the Erudite attack, Tris and her companions seek refuge with Amity and Candor, and even among the factionless. But the Erudite search for "Divergents" continues relentlessly. They have a secret to protect--one they fear could prove more catastrophic than open warfare; one they will slaughter to keep hidden... Rather than ease readers back into this convoluted narrative, the book plunges the characters into immediate danger without clues to their current relationships, let alone their elaborate back stories. The focus is firmly on the narrator Tris, who, devastated by guilt and grief, reveals new depth and vitality. While taking actions less Dauntless than recklessly suicidal, she retains her convenient knack for overhearing crucial conversations and infallibly sizing up others. Her romance with Tobias is achingly tender and passionate, and her friends and enemies alike display a realistic spectrum of mixed motivations and conflicted choices. The unrelenting suspense piles pursuit upon betrayal upon torture upon pitched battles; the violence is graphic, grisly and shockingly indiscriminate. The climactic reveal, hinting at the secret origins of their society, is neither surprising nor particularly plausible, but the frenzied response makes for another spectacular cliffhanger. Anyone who read the first book was dying for this one months ago; they'll hardly be able to wait for the concluding volume. (Science fiction. 14 & up)

Gr 9 Up-Insurgent continues Roth's dystopian cycle that began with Divergent (HarperCollins, 2011), and the beginning of the story will be confusing to those who have not read the previous book. As the novel opens, the protagonists are undergoing interrogation via truth serum, thus revealing the major events only sketchily alluded to before. This backstory keeps readers disengaged for too long. Roth's saga has at its center the division of humanity into factions based on their performance on aptitude tests. (These factions are Amity, Abnegation, Candor, Dauntless, and Erudite.) Originally intended as a benign method of governing, the separation into classes has devolved to the dominance by the Erudites. The members of each faction undergo "Simulations"gaming during which the participants lose their free will and become killing machines. Tris is a Divergent, meaning that she has aptitude for more than one faction, and is immune to the simulation mind control. She and her teacher, Tobias, join with a group of people called the "Factionless," who form the nucleus of the revolt. Insurgent explores several critical themes, including the importance of family and the crippling power of grief at its loss. One of the novel's finest tropes describes this loss as "teetering on the edge of grief's mouth." A very good read, despite its difficulties. Nina Sachs, Walker Memorial Library, Westbrook, ME