This is a book from NEAR Alexandria, the first academic library on metaverse. This 3d voxel book is inspired in a real book, and it links to it. This NFT is not the digital book it links, but it is a way to publicize the book, that remains as open knowledge. Book from UFPel Publisher, written by Carlos Adriano Ferraz, on the following topics:

(1) Introduction, (2) Antique and Medieval Ages, (3) Modern Age, (4) Final Considerations.

https://wp.ufpel.edu.br/nepfil/files/2019/02/3-etica-elementos-basicos.pdf