/give @p written_book{pages:['[["The forge went out"]]'],title:"Old journal",author:"?",generation:3}
/give @p written_book{pages:['[["The heart is still"]]'],title:"Old journal",author:"?",generation:3}
/give @p written_book{pages:['[["",{"text":"No, the heart of the forge beats still. We will rekindle the old flame, into a new kingdom. For blade and bone, forever.","font":"alt"}]]'],title:Heartbeats,author:"???",generation:3,display:{Name:'["",{"text":"Heartbeats","italic":false,"font":"alt"}]'}}