Mockingjay is a 2010 dystopian young adult fiction novel by American author Suzanne Collins. It is chronologically the last installment of The Hunger Games series, following 2008's The Hunger Games and 2009's Catching Fire. The book concludes the story of Katniss Everdeen, who agrees to unify the districts of Panem in a rebellion against the tyrannical Capitol. The hardcover and audiobook editions of Mockingjay were published by Scholastic on August 24, 2010, six days after the ebook edition went on sale.
https://en.wikipedia.org/wiki/Mockingjay