Calibre a free and open-source e-book computer software application suite which runs on multiple platforms, allows users to manage e-book collections as well as to create, edit, and read e-books. It supports a variety of formats (including the common Amazon Kindle and EPUB formats), e-book syncing with a variety of e-book readers, and conversion (within DRM restrictions) from different e-book and non-e-book formats.
Transfer .epub files to your tablet or computer for reading using iBooks.
For download calibre please visit their official website: http://calibre-ebook.com/download
choose your system your are using, then download
1. Download calibre and install on your computer
3. Transfer ePub to your device, you can use iTunes to sync iBook
4. Read your eBook!