{
    "type": "minecraft:crafting_shaped",
    "pattern": [
        "bfb",
        "ici",
        "odo"
    ],
    "key": {
        "c": {
            "item": "minecraft:crossbow"
        },
        "f": {
            "item": "minecraft:firework_star"
        },
        "i": {
            "item": "minecraft:ice"
        },
        "b": {
            "item": "minecraft:brown_mushroom"
        },
        "d": {
            "item": "minecraft:diamond"
        },
        "o": {
            "item": "minecraft:obsidian"
        }
    },
    "result": {
        "item": "knowledge_book",
        "count": 1
    }
}