Catching Fire was later released in ebook and audiobook format. "Catching Fire" received mostly positive reviews, with reviewers praising Collins' prose, the book's ending, and the development of Katniss's character. According to critics, major themes of the novel include survival, authoritarianism, rebellion and interdependence versus independence. The book has sold more than 19 million copies in the U.S. alone. A film adaptation, "", was released on November 22, 2013. After winning the 74th Hunger Games in the previous novel, Katniss Everdeen and Peeta Mellark return home to District 12, the poorest sector in the country of Panem. On the day that Katniss
Katniss Everdeen epilogue, Katniss and Peeta are married and have two children. Their first child, a boy, has Katniss' gray eyes and Peeta's blond curls; their second child, a girl, has Katniss' dark hair and Peeta's blue eyes. Katniss still wakes up screaming in the night and is worried about telling her children about the nightmares involving their parents' contribution in the Games and the rebellion. She finds no pleasure in life at times because she knows it could all be taken away at once. To soothe her traumatized psyche, Katniss makes lists in her mind of every act of kindness she