As the second volume in a historical fantasy series about Ancient Rome, The Gates of Hell can be viewed as the “next chapter” of the events following the Final War of the Roman Republic. Approximately five years have passed since Alexandria fell. Marc Antony and Cleopatra are dead. Their daughter Selene has been taken into their conqueror’s household, becoming one of Augustus Caesar’s adopted children. But for all that, she knows she is still a hostage and the longing for avenging her parents still burns inside. The book begins with Selene taking matters into her own hands, seeking her own Shard of Heaven after finding out about the godlike abilities they can grant to the people who wield them. She manages to find and obtain one disguised as a statue in the Temple of the Vestals, bringing another of one these powerful artifacts into play. Meanwhile, her arranged marriage to Juba of Numidia, an adopted son of Julius Caesar, ultimately grew into to be a relationship based on love and respect. Together with her husband, who also possesses a Shard of Heaven, they begin to experiment and practice with their artifacts, learning how to harness their power. At the same…