"Tribreed" is a science fiction novel by British author Veronica Roth. This fascinating book tells the story of a post-apocalyptic world where humanity has divided into five factions, reflecting five different personalities. The main character, Sheila, discovers that she is a "tribreed" - someone who does not fit into any of the factions. It is a difficult choice between loyalty to yourself or your family, between freedom and security. The novel explores the concepts of self-determination, self-belief and the struggle for one's own identity in a world where one has to find a balance between individuality and collectivism. "Tribreed" is a fascinating story that makes readers think about the essence of human nature and the choice between the true self and society's expectations.