How to view EPUB 3.0 metadata in Calibre book Library?

You can follow this tutorial to view EPUB 3.0 metadata in Calibre book library.

1. Click Row-Your-Boat-3.0.epub to download this sample EPUB 3.0 book.

2. Unzip and open package.opf. You see the following metadata elements:

<package xmlns="http://www.idpf.org/2007/opf" version="3.0" 
  unique-identifier="book-id">
  <metadata xmlns:dc="http://purl.org/dc/elements/1.1/"
    xmlns:dcterms="http://purl.org/dc/terms/">
    <dc:identifier id="book-id">urn:uuid:404d6d3a-429e-11e8-842f-0ed5f89f718b</dc:identifier>
    <dc:title id="main">Row, Row, Row Your Boat</dc:title>
    <meta refines="#main" property="title-type">main</meta>
    <dc:title id="short">Row Your Boat</dc:title>
    <meta refines="#short" property="title-type">short</meta>
    <dc:title id="edition">First Edition</dc:title>
    <meta refines="#edition" property="title-type">edition</meta>
    <dc:language>en-US</dc:language>
    <meta property="dcterms:modified">2018-04-01T00:00:00Z</meta>
    <dc:creator>Unknown Person</dc:creator>
    <dc:contributor>Phys.Org</dc:contributor>
    <dc:publisher>FYIcenter.com</dc:publisher>
    <dc:rights>CC0 Public Domain</dc:rights>
    <dc:subject>MUSIC / Lyrics</dc:subject>
    <dc:date>2018-01-01T00:00:00Z</dc:date>
    <dc:description>"Row, Row, Row Your Boat" is a popular children's song....</dc:description>
...

3. Add Row-Your-Boat-3.0.epub to Calibre book library. You see some EPUB 3.0 metadata displayed below the book cover as shown in the picture below:

⇒ View EPUB 3.0 Metadata List with Calibre

⇐ EPUB 3.0 Metadata - dc:description Element

⇑ EPUB 3.0 Package Metadata

⇑⇑ EPUB Tutorials