Custom Villager Trades

/summon villager ~ ~1 ~ {Offers:{Recipes:[{buy:{id:"minecraft:emerald",Count:1},sell:{id:"minecraft:written_book",Count:1,tag:{pages:["[\"\",{\"text\":\"Welcome \",\"color\":\"black\"},{\"selector\":\"@p\",\"color\":\"gold\",\"bold\":true},{\"text\":\"! This map was created so that players like you can have a fun time looking at animations using command blocks! When you're looking at a creation, look for \",\"color\":\"none\",\"bold\":false},{\"text\":\"orange \",\"color\":\"gold\"},{\"text\":\"and \",\"color\":\"black\"},{\"text\":\"gray \",\"color\":\"gray\"},{\"text\":\"shulker boxes\",\"color\":\"light_purple\"},{\"text\":\". They can give you information on how the creation works.\",\"color\":\"black\"}]"],title:Welcome!,author:Crazykk}}}]},Profession:5,CustomName:Welcome :D,CustomNameVisible:1b}