There are 3 books in the Hunger Games series. The newest book is Mockingjay which came out in 2010.

Sixteen-year-old Katniss Everdeen regards it as a death sentence when she is forced to represent her district in the annual Hunger Games, a fight to the death on live TV. But Katniss has been close to death before - and survival, for her, is second nature. The Hunger Games is…
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The final book in the ground-breaking Hunger Games
trilogy.
Against all odds, Katniss Everdeen has survived the Hunger Games
twice. But now that she's made it out of the bloody arena
alive, she's still not safe.

The Capitol is angry. The Capitol wants revenge.

Who do they think should pay…