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 she is ultimately released on the grounds that she wasn't mentally well at the time of the assassination and is sent back to District 12. Katniss, accompanied by Haymitch, goes back to her home in Victor's Village and is put under care. Driven into a deep depression, Katniss refuses to leave her house until Peeta (who by then has largely recovered from his brainwashing) returns to District 12 to plant primroses outside, in memory of her sister. Katniss begins to regain her mental health, and she and Peeta deal with their feelings by creating a book composed of information about