Masters of Rome is a series of historical fiction novels by author Colleen McCullough (b. 1937) set in ancient Rome during the last days of the old Roman Republic; it primarily chronicles the lives and careers of Gaius Marius, Lucius Cornelius Sulla, Pompey the Great, Julius Caesar, and the early career of Caesar Augustus. It spans from January 1, 110 BC through to January 16, 27 BC.