EPUB* is a globally accepted eBook format. This encompasses a format standard for the distribution and interchange of digital publications and documents based on Web Standards. EPUB standards defines a means to represent, package and encode structured and semantically enhanced Web content. This includes XHTML, CSS, SVG, images and other resources — for distribution in a single-file format. EPUB permits publishers to produce and send a single digital publication file for distribution and offers consumers interoperability between software/hardware for digital books and other publications.