Amazon announced in December that publishers and authors who submit books to the Kindle Bookstore via Kindle Direct ...

Adobe has just pushed out new Digital Rights Management encryption system for their entire line of publishing products. This was designed to make changes to the security of of ePub and PDF Files.

On Kindle, readers can download content in EPUB and PDF formats if the publisher has applied the 'Digital Rights Management (DRM) Free' setting to the content. Introducing new eBook download options ...

A PDF is a suitable file format for creating and reading e-books. However, if you want to open an e-book in most e-readers, like the Amazon Kindle and B&N Nook, you must first convert it to an EPUB.