Answer
A Kestrel for a Knave is a novel by Barry Hines. The book was adapted into the 1969 film Kes by Ken Loach. The novel tells the story of a boy named Billy Casper, who is bullied at school and comes from a poor family. Billy finds solace in his pet kestrel, which he trains to fly. The novel explores Themes of class, poverty, and the power of nature.