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 family alive. The next day, she had the courage to venture out into the woods, where she later teamed up with Gale to hunt for food for their families. After Katniss and Peeta have been selected and said goodbyes to their families, they are whisked away by Haymitch Abernathy (the only living District 12 Victor, extreme drunkard, and mentor to all former District 12 tributes) and Effie to the high-speed train that awaits them. During the train ride, Katniss tries to separate from Peeta, knowing she has to kill him in the arena. When they arrive in the Capitol, Katniss