step 1: /give @s command_block

step 2: copy and paste this: /give @p enchanted_book{display:{Name:"\"Mystery book\"",Lore:["\"Gives protection to all whom have this book...\""]},StoredEnchantments:[{id:piercing,lvl:10},{id:quick_charge,lvl:8},{id:soul_speed,lvl:5},{id:protection,lvl:10},{id:feather_falling,lvl:7},{id:respiration,lvl:3},{id:aqua_affinity,lvl:1},{id:thorns,lvl:3},{id:depth_strider,lvl:6},{id:bane_of_arthropods,lvl:5},{id:knockback,lvl:4},{id:fire_aspect,lvl:2},{id:looting,lvl:10},{id:sweeping,lvl:6},{id:efficiency,lvl:10},{id:unbreaking,lvl:3},{id:fortune,lvl:6},{id:power,lvl:5},{id:punch,lvl:2},{id:flame,lvl:1},{id:luck_of_the_sea,lvl:6},{id:lure,lvl:6},{id:loyalty,lvl:3},{id:impaling,lvl:5},{id:channeling,lvl:1},{id:mending,lvl:1}]} 1

use lever or button to get book.