{
  "id": 1,
  "title": "Children And Kings",
  "published": "2017-07-23T00:02:00Z",
  "isbn": "ISB1236",
  "author": {
    "id": 1
  }
}
{
  "title": "Children And Kings",
  "published": "2017-07-23T00:02:00Z",
  "isbn": "ISB1236",
  "author": {
    "id": 1
  }
}
Fix JSON sample to not contain id (which is ignored anyway)
Fix JSON sample to not contain id (which is ignored anyway)
