> The stories are told in first-person form by Senator Decius Caecilius Metellus the Younger (born c 90-95 BC), nephew of Metellus Pius and member of the powerful Caecilius Metellus family of the Roman Senate. The stories are told in flashback-form by the old Decius, writing during the reign of Augustus Caesar. The stories range from 70 BC (The King's Gambit) to 20 BC ("The King of Sacrifices").
* https://en.wikipedia.org/wiki/SPQR_series
For non-fiction, see Infamy: The Crimes of Ancient Rome by Jerry Toner:
> Join the historian Jerry Toner on a detective's hunt to discover the extent of Rome's crimes. From the sexual peccadillos of Tiberius and Nero to the chances of getting burgled if you left your apartment unguarded (pretty high, especially if the walls were thin enough to knock through) he leaves no stone unturned in his quest to bring the Eternal City to book.