query: embed.html#SELECT ?instance ?instanceLabel (COUNT(?book) AS ?count) WHERE {
  	?book wdt:P31 ?instance .
   ?instance wdt:P279* wd:Q7725634 .
  	?page schema:about ?book.
  	?page schema:isPartOf <https://fr.wikipedia.org/> .
  	SERVICE wikibase:label { bd:serviceParam wikibase:language "fr". }
  }
  GROUP BY ?instance ?instanceLabel