Book trailers are short video clips that promote or advertise books, similar to a comercial. Below are some links to some collections of book trailers that might peek your interest!
Book Trailers - Movies for Literacy A good collection of adolescent titles.
Circle of Seven Productions A collection of professional book trailers for young adult novels.
Many publishers also have Book Trailer Channels on YouTube. From home, you can try
Penguin young Readers Channel
Harper Teen Channel
Random House Teen Channel
Jefferson Media Channel