authority should be from the Gutenberg text you used
duplicate IDs in
long-description must be in escaped xhtml. You can do this by wrapping it in <![CDATA[ ... ]]> and running clean. See any other content.opf for an example.
don't use <ul> or <li> in long-description, please write prose.
remove .html from LoC name authority links (this is surprising but the canonical URLs don't have .html)
missing cover artist metadata (see any other content.opf file)
<![CDATA[ ... ]]>
and runningclean
. See any other content.opf for an example.<ul>
or<li>
in long-description, please write prose.