[
  {
    "id": "manual_maid",
    "type": "GENERIC",
    "category": "books",
    "symbol": "?",
    "color": "green",
    "name": { "str": "A Maid's Memoirs" },
    "description": "A collection of letters written by various maids, detailing the things they do for their Mistresses.",
    "price": "200 USD",
    "material": [ "paper" ],
    "weight": "150 g",
    "volume": "250 ml",
    "use_action": "MA_MANUAL",
    "book_data": { "max_level": 0, "intelligence": 5, "time": 10, "fun": 0, "skill": "none", "required_level": 0, "chapters": 5 }
  }
]