JSON-LD_Book

<script type="application/ld+json">
{
	"@context": "http://schema.org",
	"@type": "WebPage",
	"breadcrumb": "Home Page <txp:breadcrumb label="" separator=" > " link="0" wraptag="" />",
	"mainEntity":
	[
	{
		"@type": "BookStore",
		"name": "<txp:site_name escape="json" />",
		"telephone": "+33 XXX-XXX-XXX",
		"address": {
			"@type": "PostalAddress",
			"addressCountry": "France",
			"addressLocality": "XXXX",
			"addressRegion": "XXXX",
			"postalCode":"XXXX",
			"streetAddress": "XXXX"
		},
        	"priceRange": "€€",
		"image": "<txp:site_url />img\/logo.png"
	},<txp:article limit="10" status="life">
	{
		"@type": "Book",
		"name": "<txp:title escape="json" />",
		"author": {
			"@type": "Person",
			"name" : "<txp:author escape="json" />",
			"url": "<txp:author format="url" />"
		},
		"inLanguage": "<txp:custom_field name="Language" />",
		"numberOfPages": "<txp:custom_field name="Pages" />",
		"isbn": "<txp:custom_field name="ISBN" />",
		"datePublished": "<txp:posted format="%Y-%m-%d" />",
		"bookFormat": "<txp:if_custom_field name="Format" value="eBook">http://schema.org/EBook<txp:else />http://schema.org/PaperBack</txp:if_custom_field>",
		<txp:if_article_image>"image": "<txp:images><txp:image_url /></txp:images>",</txp:if_article_image>
		<txp:if_excerpt>"description" : "<txp:php>
		/*
		 * Retrieve the plain text excerpt version from the 'textpattern' table.
		 */
		echo json_encode(safe_field('Excerpt', 'textpattern', 'ID = "'.article_id(array()).'"'));</txp:php>",</txp:if_excerpt>
		"offers":
		{
			"@type": "Offer",
			"price": "<txp:custom_field name="Price" />",
			"priceCurrency": "EUR",
			<txp:if_custom_field name="Stock">"availability": "http://schema.org/InStock"<txp:else />"availability": "http://schema.org/OutOfStock"</txp:if_custom_field>
		}
	},</txp:article>
	{
	"@type": "BreadcrumbList",
	"itemListElement": [
		<txp:section_list exclude="XXXXX" wraptag="" break="},">
<txp:variable name="Book_counter" value="0" />	{
			"@type": "ListItem",
			"position": <txp:variable name="Book_counter" value='<txp:evaluate query=''<txp:variable name="Book_counter" /> + 1'' />' /><txp:variable name="Book_counter" />,
			"@id": "<txp:section link="0" url="1" />",
			"name": "<txp:section title="1" escape="json" />"
		</txp:section_list>}
		]
	}
	]
}
</script>