{
    "pools": [
        {
            "rolls": 1,
            "entries": [
                {
                    "type": "item",
                    "name": "minecraft:book",
                    "weight": 20,
                    "functions": [
                    {
                        "function": "enchant_randomly"
                        }
                    ]
                }
            ]
        }
    ]
}