calibre screenshots

Manage your e-book collection, edit them, and convert e-books between formats
Get Books
calibre 4.8 : Get Books

Alternative downloads

Amazon Kindle For PC
Read your favorite Kindle books directly from your computer.
Epub Reader for Windows
Simple utility to read EPUB e-books with some conversion capabilities.
Epubor eBook Converter Ultimate
Straightforward e-book conversion tool with support for the most used formats.