Book 1
Flavia Gemina is a natural at solving mysteries. The daughter of a ship's captain living in Ostia, the port of Rome, in AD79, she and her three friends, Jonathan, a Jewish boy (and secretly a Christian); Nubia, an African slave girl; and Lupus, a mute beggar boy, must work together to discover who is beheading the watchdogs that guard people's homes, and why.
A talented storyteller
Book 2
Ten-year-old Flavia and her friends encounter the Roman admiral Pliny before making a journey to her uncle's farm near Mt. Vesuvius, where they try to solve a riddle, reunite a family, and get out of the path of a natural disaster.
Book 3
It is AD 79 and Mount Vesuvius has erupted, destroying Pompeii. Among the thousands of people huddled in refugee camps along the bay of Naples are Flavia Gemina and her friends, Jonathan the Jewish boy, Nubia the African slave-girl, and Lupus the mute beggar boy. When the friends discover that children are being kidnapped from the camps, they start to investigate and soon solve the mystery of the pirates of Pompeii.
BOOK 4
Jonathan goes on a secret quest to Rome, and Flavia, Nubia and Lupus set out to find him. Their dangerous mission takes them to the Golden House of Nero where a deadly assassin is rumoured to be at work - and they learn what happened to Jonathan's family during the terrible destruction of Jerusalem nine years earlier.