{
  "book":
    {
      "id": 2,
      "title": "Steppenwolf",
      "author": ["Hermann Hesse"],
      "formats": [
        { "nature": "pdf", "price": [{ "amount": 799, "currency": "cad" }]},
        { "nature": "epub", "price": [{ "amount": 799, "currency": "cad" }, { "amount": 759, "currency": "usd" }]}
      ],
      "tags": ["conflict", "isolation", "reality", "animalistic"],
      "year": 1927
    }
}