The Roman Mysteries: The Fugitive from Corinth: Book 10 by Caroline Lawrence
Mystery and adventure for four young detectives in Ancient Roman times..
It seems that Flavia's tutor, Aristo, has committed a terrible crime - attempting to murder Flavia's own father. When Aristo escapes, Flavia and her friends give chase, but they aren't the only ones on Aristo's trail. Who else is after the young tutor? And what made him want to kill?