Enchanted Spell Book (irons_spellbooks:diamond_spell_book - id: 15195) has NBT data

{ISB_spellbook:{activeSpellIndex:0,spellSlots:8,spells:[{id:26,level:4,slot:0}]}}

[TAG_Compound (1 values)] 
{
    [TAG_Compound (3 values)] "ISB_spellbook"
    {
        [TAG_Int] "activeSpellIndex": 0
        [TAG_Int] "spellSlots": 8
        [TAG_List (1 values of type TAG_Compound)] "spells"
        [
            [TAG_Compound (3 values)] 
            {
                [TAG_Int] "id": 26
                [TAG_Int] "level": 4
                [TAG_Int] "slot": 0
            }
        ]
    }
}
