The Lives of the Twelve Caesars

This work, written in AD 121, is a comprehensive biographical account of the Roman emperors from Julius Caesar to Domitian.

Suetonius provides detailed narratives of their lives, including their personal habits, political actions, and the moral lessons that can be drawn from their reigns.

The book is notable for its candid and often unflattering portrayal of these powerful men, highlighting the corrupting influence of absolute power and the moral decadence that accompanied the decline of the Roman Empire.