It feels as though Amazon wants to make reading ebooks in formats other than Mobipocket difficult, and even with Mobipocket, downloading a file from the Web requires non-intuitive steps. Adam explains ...

The upcoming update for the Kindle will bring this new support for the feature, and users will be able to open ePub files directly instead of the manual conversion done online.

A change in a recent version of iBooks has given the app the capability to open EPUB files directly from Safari, Mail, and apps like Dropbox. This makes moving EPUB files into iBooks far easier than ...

Upload PDF and EPUB files to Google Books on Android Google now lets you upload your personal reading content directly from your Android device.

Apple has also posted a support document offering advice on how to choose between ePub and PDF for a given document and outlining how to create an ePub file from a Pages document.

Initially released in 2007, ePub or Electronic Publication is an open e-book format that is easily accessible on e-readers, tablets, phones, and more.