First Man in Rome, Colleen McCullough

Here are the stories of Marius, wealthy but lowborn, and Sulla, penniless though aristocratic and debauched - men of vision whose ambitions will lay the foundations of the most awesome empire ever known. Great events and mortal frailties, a vast and vivid cast of unforgettable men and women, kings, commoners, lovers, soldiers and senators are woven effortlessly into a rich densely embroidered tapestry and bring a remarkable era to magnificent life.