{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/game-of-thrones/main/json-schema/book.json",
  "title": "Book",
  "description": "A book published in the A Song of Ice and Fire series.",
  "type": "object",
  "properties": {
    "url": {
      "type": "string",
      "format": "uri",
      "description": "The canonical URL of this book resource."
    },
    "name": {
      "type": "string",
      "description": "The name of the book.",
      "examples": ["A Game of Thrones"]
    },
    "isbn": {
      "type": "string",
      "description": "ISBN-13 of the book.",
      "pattern": "^978-[0-9-]+$",
      "examples": ["978-0553103540"]
    },
    "authors": {
      "type": "array",
      "description": "List of authors who wrote this book.",
      "items": {
        "type": "string"
      },
      "examples": [["George R. R. Martin"]]
    },
    "numberOfPages": {
      "type": "integer",
      "minimum": 1,
      "description": "Total number of pages in the book.",
      "examples": [694]
    },
    "publisher": {
      "type": "string",
      "description": "Publisher of the book.",
      "examples": ["Bantam Books"]
    },
    "country": {
      "type": "string",
      "description": "Country of origin for the original publication.",
      "examples": ["United States"]
    },
    "mediaType": {
      "type": "string",
      "description": "Media type of the book.",
      "examples": ["Hardcover", "Paperback"]
    },
    "released": {
      "type": "string",
      "format": "date-time",
      "description": "Release date and time of the book (ISO 8601).",
      "examples": ["1996-08-01T00:00:00"]
    },
    "characters": {
      "type": "array",
      "description": "URLs of characters who appear in this book.",
      "items": {
        "type": "string",
        "format": "uri"
      }
    },
    "povCharacters": {
      "type": "array",
      "description": "URLs of characters with point-of-view chapters in this book.",
      "items": {
        "type": "string",
        "format": "uri"
      }
    }
  },
  "required": ["url", "name", "isbn", "authors", "numberOfPages", "publisher", "country", "mediaType", "released", "characters", "povCharacters"]
}