{
  "@context": {
    "@vocab": "https://schema.org/",
    "gbooks": "https://www.googleapis.com/books/v1/",
    "Volume": "schema:Book",
    "Bookshelf": "schema:BookSeries",
    "id": "schema:identifier",
    "title": "schema:name",
    "subtitle": "schema:alternativeHeadline",
    "authors": "schema:author",
    "publisher": "schema:publisher",
    "publishedDate": "schema:datePublished",
    "description": "schema:description",
    "pageCount": "schema:numberOfPages",
    "categories": "schema:genre",
    "averageRating": "schema:aggregateRating",
    "ratingsCount": "schema:ratingCount",
    "language": "schema:inLanguage",
    "imageLinks": "schema:image",
    "thumbnail": "schema:thumbnailUrl",
    "previewLink": {
      "@id": "schema:url",
      "@type": "@id"
    },
    "isbn": "schema:isbn",
    "saleability": "schema:availability",
    "isEbook": "schema:bookFormat",
    "listPrice": "schema:price",
    "currencyCode": "schema:priceCurrency"
  }
}