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 memories have been distorted by tracker jacker venom, a mind-control torturing method referred to as "hijacking". He now hates and wants to kill Katniss, believing she is a muttation created by the Capitol. Katniss becomes even more determined to kill Snow after this. She, along with a group of sharpshooters that include Gale, Finnick, and later joined by Peeta (much to Katniss's dismay) sneak into the Capitol at the cost of several of their own lives in an attempt to kill Snow. Along the way, they encounter sadistic traps created by game makers to make sport of their deaths, and