AddLibra Reader displays eBooks in web browsers using responsive HTML5 and CSS3. Each eBook can be accessed and read on smartphones, tablets, computers and any other device with an up-to-date web browser.  No downloads are necessary. Titles are securely stored in the cloud and eBooks are accessed via a unique user account with an email address and a password. Titles can be downloaded (cached) so that they can be read with or without Internet access later.