</mime-type>
  <mime-type type="application/x-ibooks+zip">
    <sub-class-of type="application/epub+zip" />
    <acronym>iBooks</acronym>
    <_comment>Apple iBooks Author publication format</_comment>
    <magic priority="50">
      <match value="PK\003\004" type="string" offset="0">
        <match value="mimetypeapplication/x-ibooks+zip" type="string" offset="30"/>
      </match>
    </magic>