Features:
Drag Drop and fly.
No quality lost, just remove drm protection, the same quality as source ebook files.
No change to source files, no need to backup the source files.
Remove ebook DRM.
iBook epub doesn't support.
OverDrive eBooks, Public library ebook.
Purchased Google books.
Kindle ebooks.
Barnes Noble ebook
All other epub ebook opened in digital editions.
itunes ibooks...