Seems to have a wide Range.
Unable to offer opinions as I do not have a Reference copy.
One might check it out.
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. Transfer copy-protected eBooks from your personal computer to other computers or devices. Organize your eBooks into a custom library and annotate pages. Digital Editions also supports industry-standard eBook formats, including PDF/A and EPUB.
Adobe Digital Editions is a focused, lightweight solution (4MB download on Windows®). It extends the eBook capabilities integrated with previous versions of Reader and Acrobat and delivers a simplified, content-centric, consumer-friendly user interface. It is distributed as a web-based RIA, helping to ensure that users always have the current version of the software.