A book trailer is a short video designed to promote a book, similar to a movie trailer. It typically includes visuals, music, and text to capture the essence of the story and entice potential readers. Book trailers can be shared on social media, websites, and video platforms to reach a wider audience. These trailers often highlight key themes, characters, or settings from the book, making them an engaging way to generate interest. Authors and publishers use book trailers as a marketing tool to create buzz around new releases, helping to connect with readers and encourage them to explore the book.