First, you need an unemployed Villager who has a bed in the Village. Once they are assigned to a bed, place a Cartography Table next to the bed, and they will.
To place a hopper, use the Place Block control while aiming at the surface to which its output should face (Hoppers do not orient themselves automatically). To.
Select an enchantment. The level of enchantment you can place on your book depends on your level. Selecting an enchantment will apply it to your book, causing.