Lightning Source is a large-scale print-on-demand publisher. They offer a variety of book sizes for paperbacks and hardcovers. They offer text and photo books in full color. They offer several guides on publishing aspects, from editing, design, marketing, and selling. They also have tutorials to assist users in how to place orders and upload files to their site. They offer high quality prints in full color. Foil stamping is also available on book covers. This site is for the advanced user.