Part of a book (group of chapters or articles)

Capture a named part of a book in an element book-part book-part-type="part".

/book/book-body//book-part[@book-part-type = "part"]

A Part may contain one or more Chapters or Articles and/or nested Parts.

Capture front matter to a Part (content preceding the first Chapter or Article) in a front-matter element within the Part.

Part of a book containing two chapters

<book-part id="workid-UKRAI10JL5MB-book-part-1" book-part-type="part">
  <book-part-meta>
    <title-group>
      <label>1</label>
      <title>Bees and Honey</title>
    </title-group>
  </book-part-meta>
  <body>
    <book-part id="workid-UKRAI10JL5MB-book-part-2" book-part-type="chapter">
      <book-part-meta>
        <title-group>
          <label>1</label>
          <title>Honey Production</title>
        </title-group>
      </book-part-meta>
    </book-part>
    <book-part id="workid-UKRAI10JL5MB-book-part-3" book-part-type="chapter">
      <book-part-meta>
        <title-group>
          <label>2</label>
          <title>Honey Collection</title>
        </title-group>
      </book-part-meta>
    </book-part>
  </body>
</book-part>

Part of a book containing two articles

<book-part id="workid-UKRAI10JL5MB-book-part-1" book-part-type="part">
          <book-part-meta>
          <title-group>
          <title>Science and Technology</title>
          </title-group>
          </book-part-meta>
          <body>
          <book-part id="workid-UKRAI10JL5MB-book-part-2" book-part-type="collection-article">
          <book-part-meta>
          <title-group>
          <title>Race-Based Stress and Racial Activism in Artificial Intelligence</title>
          </title-group>
          </book-part-meta>
          </book-part>
          <book-part id="workid-UKRAI10JL5MB-book-part-3" book-part-type="collection-article">
          <book-part-meta>
          <title-group>
          <title>Afrofuturism and Emerging Technologies in Computer Science</title>
          </title-group>
          </book-part-meta>
          </book-part>
          </body>
          </book-part>

Part of a book with front matter

<book-part id="workid-UKRAI10JL5MB-book-part-2" book-part-type="part">
  <book-part-meta>
    <title-group>
      <label>Part II</label>
      <title>Contemporary Issues of Grand Strategy</title>
    </title-group>
  </book-part-meta>
  <front-matter>
    <front-matter-part id="workid-UKRAI10JL5MB-book-part-2-front-matter-part-1">
      <named-book-part-body>
        <sec id="workid-UKRAI10JL5MB-book-part-2-sec-1">
          <p>The holding company structure seems first to
            have emerged in the USA, ...</p>
        </sec>
      </named-book-part-body>
    </front-matter-part>
  </front-matter>
  <body>
    <book-part id="workid-UKRAI10JL5MB-book-part-4" book-part-type="chapter">
      <!-- Chapter content -->
    </book-part>
    <!-- more Chapters -->
  </body>
</book-part>