From Appian's Roman History

The five books collected here form the sole surviving continuous historical narrative of the era between 133-35 BC - a time of anarchy and instability for the Roman Empire. A masterly account of a turbulent epoch, they describe the Catiline conspiracy; the rise and fall of the First Triumvirate; the murder of Julius Caesar; the formation of the Second Triumvirate by Antonius, Octavian, and Lepidus; and brutal civil war. A compelling depiction of the decline of the Roman state into brutality and violence, The Civil Wars portrays political discontent, selfishness and the struggle for power - a struggle that was to culminate in a titanic battle for mastery over the Roman Empire, and the defeat of Antony and Cleopatra by Octavian in 31 BC.