Falco On His Metal by Lindsey Davis
Venus In Copper: In the heyday of the Roman Empire, a small accounting error has left Falco sharing a cell with a large rat. But when he is sprung from jail, he accepts a commission to help a family of freed slaves fend off a professional bride. The Iron Hand of Mars: AD 71: Titus Caesar is in pursuit of Falco's girlfriend Helena. Meanwhile, Falco is occupied on an undercover mission to Roman Germany to find the absconding commander of a legion whose loyalty is suspect. With murdered corpses along the way and an inadequate bunch of recruits for allies, the challenge increases for Falco to tame the Celtic hordes. Poseidon's Gold: Seeking the truth behind scandalous rumours about his dead brother, Festus, Falco suddenly finds himself a suspect when his brother's worst detractor is murdered.