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 with a bow and arrow and adept at analyzing her opponents' next moves, she has much to learn about personal sentiments, especially her own." "Publishers Weekly" says, "It's a credit to Collins's skill at characterization that Katniss, like a new Theseus, is cold, calculating and still likable." The "Cleveland Plain Dealer" stated in a review for "Catching Fire" that "Katniss in a pensive mood seems out of step with the kick-butt assassin," before adding that her loyalty and kindheartedness were enjoyed. John Green, in "the New York Times", called Katniss a "memorably complex and fascinating heroine". Also in "The New