Calibre is a helpful and strong eBook Management System. The newest version of Calibre, called Calibre 7, adds more cool features. It can look at, change, edit, and organise e-books in almost any format. Calibre 7 brings an awesome upgrade by supporting "Audio ePubs," it now includes videos, audio, and text in a file. This surely is a brilliant new feature for users. With … [Read more...] about Calibre eBook App to Support Audio ePubs and Custom Notes