{
  "metadata": {
    "title": "Example listing publications"
  },

  "links": [
    { "rel": "self", "href": "grade1.json", "type": "application/opds+json" }
  ],

  "publications": [
    {
      "metadata": {
        "@type": "http://schema.org/Game",
        "title": "Lesson 001",
        "author": "Mullah Nasruddin",
        "identifier": "http://example.app/id/lesson001",
        "language": "en",
        "modified": "2015-09-29T17:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "lesson001/lesson001.json",
          "type": "application/opds-publication+json"
        },
        {
          "rel": "http://opds-spec.org/acquisition/open-access",
          "href": "$TESTBASEURL/grade1/lesson001/lesson001.html",
          "type": "text/html"
        }
      ],
      "images": [
        { "href": "lesson001/cover.png", "type": "image/png" }
      ]
    },

    {
      "metadata": {
        "@type": "http://schema.org/Game",
        "title": "Lesson 002",
        "author": "Video Lesson",
        "identifier": "http://example.app/id/lesson002",
        "language": "en",
        "modified": "2026-03-11T10:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "lesson002/lesson002.json",
          "type": "application/opds-publication+json"
        },
        {
          "rel": "http://opds-spec.org/acquisition/open-access",
          "href": "$TESTBASEURL/grade1/lesson002/lesson002.html",
          "type": "text/html"
        }
      ],
      "images": [
        { "href": "lesson002/cover.png", "type": "image/png" }
      ]
    }
  ]
}