// API callback
ProcessGBSBookInfo({
  "kind": "books#volumes",
  "totalItems": 1,
  "items": [
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        "authors": [
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          },
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          }
        ],
        "readingModes": {
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          "image": false
        },
        "printType": "BOOK",
        "maturityRating": "NOT_MATURE",
        "allowAnonLogging": false,
        "contentVersion": "preview-1.0.0",
        "panelizationSummary": {
          "containsEpubBubbles": false,
          "containsImageBubbles": false
        },
        "language": "de",
        "previewLink": "http://books.google.com/books?id=2Os9zQEACAAJ&dq=isbn:9783725579075&hl=&cd=1&source=gbs_api",
        "infoLink": "http://books.google.com/books?id=2Os9zQEACAAJ&dq=isbn:9783725579075&hl=&source=gbs_api",
        "canonicalVolumeLink": "https://books.google.com/books/about/Internationales_Arbeitsrecht_der_Schweiz.html?hl=&id=2Os9zQEACAAJ"
      },
      "saleInfo": {
        "country": "US",
        "saleability": "NOT_FOR_SALE",
        "isEbook": false
      },
      "accessInfo": {
        "country": "US",
        "viewability": "NO_PAGES",
        "embeddable": false,
        "publicDomain": false,
        "textToSpeechPermission": "ALLOWED",
        "epub": {
          "isAvailable": false
        },
        "pdf": {
          "isAvailable": false
        },
        "webReaderLink": "http://play.google.com/books/reader?id=2Os9zQEACAAJ&hl=&printsec=frontcover&source=gbs_api",
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        "quoteSharingAllowed": false
      },
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        "textSnippet": "Rund ein Drittel der Arbeitnehmerschaft in der Schweiz sind Ausländer, und dies mit steigender Tendenz. Sie unterliegen in der einen oder anderen Form dem internationalen Arbeitsrecht der Schweiz."
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}
);