In a review for Entertainment Weekly, Hillary Busis gave the novel B+ and wrote that "If you've already been sucked into Roth's world, you'll appreciate the book's twisty plot — which provides needed context for the series' prefabricated society — and its chastely torrid Tris/Tobias love scenes." Publishers Weekly said in its review that "The alternating perspectives are bothersome at times, due to the similarity between Tris and Tobias’s first-person narratives. However, for those who have faithfully followed these five factions, and especially the Dauntless duo who stole hearts two books ago, this final installment will capture and hold attention until the divisive final battle has been waged." 
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