A debut novel is the first published book by an author. It often serves as an introduction to the writer's style, themes, and storytelling abilities. Many debut novels gain attention for their fresh perspectives and unique voices, sometimes leading to critical acclaim or commercial success. These novels can cover a wide range of genres, from literary fiction to science fiction and mystery. Some debut novels become bestsellers or win prestigious awards, helping to launch the author's career. Notable examples include Harper Lee's "To Kill a Mockingbird" and Chimamanda Ngozi Adichie's "Purple Hibiscus".