Adobe - Digital Editions

http://www.adobe.com/products/digitaleditions/index.html
Adobe Digital Editions software offers an engaging way to view and manage eBooks and other digital publications. Use it to download and purchase digital content, which can be read both online and offline.
Adobe Digital Editions software offers an engaging way to view and manage eBooks and other digital publications. Use it to download and purchase digital content, which can be read both online and offline.