The document discusses ebooks and audiobooks available through the North of Boston Library Exchange (NOBLE) for public libraries and schools. It can be downloaded to computers and mobile devices like ebook readers, MP3 players, and smartphones. The business has grown significantly since adding Kindle support and during the holiday season. Academic ebook collections are typically used for research rather than reading cover-to-cover and provide access to more books than could be owned in print. Free ebook sources like Project Gutenberg and ManyBooks.net are also mentioned.