[
  {
    "id": "manual_maid",
    "type": "GENERIC",
    "category": "books",
    "symbol": "?",
    "color": "green",
    "name": { "str": "101 ways to protect my Mistress" },
    "description": "A manual penned by different maids, listing all of their ideas on physical ways to protect their Mistresses.",
    "price": 20000,
    "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 }
  }
]