Hunger Games: The Nature of the Games
Plot: It's 15 years later, Enoboria is the age of 45 and is the main antoganist. She wants to bring back the games, she manipulates people into reaching her goal. Annie's son grew up knowing Enoboria as his mother, the person who was there for him, and firmly believes that his mother abandoned him, when in reality Enoboria had previously strangeled Annie under shallow water a few years after his birth. She murdered Gale, and Haymitch and has accessed and stolen nuclear weaponary from District 13. Blah blah blah, later it's time for the games, she particularly picked children including Katniss and Peeta's son and daughter and also through betrayal, the clueless Odair. They fight to the death leaving Kat and Peet's daughter and son who threaten to eat berries to cheat the games but then Enoboria couldn't take it and jumped off a cliff the end.