{
  "comments": {
    "new": "ISBN: 0-7849-2858-4"
  },
  "error_count": {
    "new": "0"
  },
  "ring_codes": {
    "new": "S7258510\t+ +\tFF90601 IFPI LB41 A08 IFPI 10E9",
    "old": "S7258510 + + FF90601 IFPI LB41"
  }
}