The Temple of Fortuna by Elodie Harper

Amara's journey has taken her far; from a slave in Pompeii's wolf den to a high-powered courtesan in Rome... though her story is not over yet. While Amara plays for power in Rome's imperial palace, those dearest to her remain in Pompeii.

But it is AD 79, and mighty Mount Vesuvius is about to make itself known...