Archimedes' Claw ~ Time Travelers Edition by Theodore M. Homa

Driven by the need to discover Truth, Dr. Finn McGee uncovers a secret, hidden in Time, that catapulted the Roman Empire to find Archimedes. Hunted by the government, haunted by his past, and driven by passion, Finn must risk all and travel back through the vortex of Time to encounter mankind’s greatest mystery.