{
  "id": "mi-libro",
  "title": "Mi libro",
  "englishTitle": "My Book",
  "description": "Una breve descripción en español.",
  "level": "A1",
  "author": "Original story",
  "chapters": [
    {
      "title": "El comienzo",
      "pages": [
        [
          { "es": "Ana está en casa.", "en": "Ana is at home." },
          { "es": "La puerta está abierta.", "en": "The door is open." }
        ]
      ]
    }
  ]
}