calibre screenshots

Organize your e-book library, convert e-books to various formats, and more
Metadata Editor
calibre 3.4 : Metadata Editor

Alternative downloads

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.
Word to ePub Converter
Word to ePub Converter that lets you easily convert MS Word Docx, Doc to ePub.