PositiveTIME... builds on the original series’ overt critique of violence and those who perpetuate it, again in terms that speak to a more mature audience than their young-adult marketing might suggest. But where Katniss was a heroine whose flaws were laid bare as she came into her own, Coriolanus sometimes feels reverse-engineered to fit his older mold, and the novel doesn’t fully explain the roots of his at-any-costs ambition ... For true fans of The Hunger Games, Collins shines most as she weaves in tantalizing details that lend depth to the gruesome world she created in the original series and Coriolanus’s place in its history.