The Golden Ass

The Golden Ass was a book written by, obtained by Ezio Auditore da Firenze in the 16 th century in Constantinople.

Summary
''The only work of dramatic fiction writtten in Latin to survive intact, "The Golden Ass" - as St. Augustine named Apuleius's tale - tells the story of a man who dabbles in carelessly with magic and accidentally turns himself into a donkey. Written in what would later become known as a "picaresque" style, "The Golden Ass" has a wandering, episodic structure, a precursor to later classics like "" and "".''

Source

 * Assassin's Creed: Revelations