Mac users interested in Epub and pdf reader for macos generally download:
Epubor Reader for mac enables you to read ePub, PDF, Mobi ebooks in one application on computer, it's convenient for readers who have multiple formats of eBooks. It also supports: AZW, AZW3, AZW4, PRC, TXT, HTMLz, TPZ, Topaz. When read an eBook with Epubor Reader, you can easily increase or decrease the font size to your comfort, just click the zoom in or zoom out button to get the best reading experience.