{
  "barcode": {
    "new": "5 907610 701448, 5 907610 704357",
    "old": "5 907610 704357"
  },
  "comments": {
    "new": "Volume Label: EXTREME"
  },
  "edition": {
    "new": "Tanie Granie, eXtra Klasyka",
    "old": "Tanie Granie"
  },
  "languages": {
    "new": ""
  }
}