Here are The Details From OverDrive:
EPUB eBook downloads on BlackBerry mobile devices with the free OverDrive® Media Console app for BlackBerry.
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The OverDrive app for BlackBerry is available from OverDrive’s website and the MobiHand Superstore. The app will also appear in BlackBerry App World in the coming weeks.
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The free eBook app from OverDrive can be installed on BlackBerry touch-screen devices running BlackBerry OS v4.7 (or newer) and non-touch-screen devices running BlackBerry OS v4.5 (or newer). The BlackBerry app joins the previously released OverDrive apps for iPhone, iPad, and Android, which have been installed nearly one million times.