The universal literary guide of am artistically ordered society in which cultivated italians regard social living as fine art providing a model of renaissance society.

The correct answer is The Book of the Courtier.
It is a courtesy book from the 16th century which tells how people should behave - it talks about proper etiquette when it comes to the behavior of courtiers and ladies. It was written by Baldassare Castiglione, and is an important account of court life during Renaissance Italy. 

Bob: coke is baby pandas.jim: what? how do you figure that coke is baby pandas? bob: because this book says so.jim: how do we know the book is correct? bob: because it says that coke is baby pandas.jim: how does that prove the book's accuracy? bob: because it's statement involving coke and baby pandas is correct, therefore it is accurate.jim: how do we know that it's correct? bob: because we have concluded that the book is accurate, and therefore the statement is correct.therefore, coke is baby pandas.