@Bezatrix - 'selector' & 'hoverEvent' Visuals

/give command providing a book:

/give @p minecraft:written_book 1 0 {title:"Test",author:"test",pages:["[{text:\"Hover \",hoverEvent:{action:show_text,value:{selector:@p}}},{selector:@p}]"]}

This is the JSON after the book is created:

{"hoverEvent":{"action":"show_text","value":{"selector":"@p"}},"extra":[{"extra":[{"insertion":"Skylinerw","clickEvent":{"action":"suggest_command","value":"/msg Skylinerw "},"hoverEvent":{"action":"show_entity","value":"{id:\"b9aa57fe-649e-4d48-806e-63af2faff5c6\",name:\"Skylinerw\",}"},"text":"Skylinerw"}],"text":""}],"text":"Hover "}